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Jung, Seohyun. "Average-case Completeness Results Using Universal Computational Models." Case Western Reserve University School of Graduate Studies / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=case160752432028902.
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Hunter, Bruce Allan. "A comparison of universal soil loss equation results using a remote sensing/GIS technique to results obtained using a field survey technique." Thesis, University of North Texas, 1990. https://digital.library.unt.edu/ark:/67531/metadc798044/.
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Digital satellite remote sensing and Geographic Information Systems (GIS) have been used in conjunction with the Universal Soil Loss Equation (USLE) to model soil erosion potential within watersheds. This study compared erosion estimates calculated by the remote sensing method to results obtained in the field by soil conservationists using conventional methods.
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Iglesias, Fernández Jelisa Maria. "Enrichment of virtual screening results using induced-fit techniques." Doctoral thesis, Universitat Politècnica de Catalunya, 2020. http://hdl.handle.net/10803/668826.
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This thesis explains the design, development, test on the benchmarking dataset DUD-e and the application to an industrial virtual screening project of the PELE VS platform.
The most common and quick tools used on virtual screening campaigns do not take into account the induced-fit effect, although there are some methodologies capable of reproducing this effect they are either time consuming or very limited on which transformations the protein may undergo. In this thesis with the development of the PELE VS platform we aim at using the simulation software PELE (Protein Energy Landscape Exploration) to account for the induced-fit effect.
The PELE software uses a monte carlo algorithm coupled with an energy minimization step to explore the ligand conformations and model the protein. This approach allows the program to account for both big conformational changes and small local changes of the protein and to perform a good conformational search of the ligand, which coupled can account for the induced-fit effect with only a quick simulation.
PELE has been traditionally, and successfully, used in the enzyme engineering field where only a few compounds per protein are usually tested and studied. In order to apply the program to the virtual screening field, where thousands of compounds are tested in silico, the first step was to automatize the whole procedure of preparing, launching and analyzing the simulations. Thus, during this thesis the PELE VS platform has been developed altogether with other auxiliary tools.
Once the platform was developed, we wanted to test the behaviour of PELE on a well known benchmarking dataset, thus we tried our methodology on the DUD-e dataset. Since this dataset is formed by more than 100 proteins, we chose a few proteins for each
of the families present in the dataset, reducing the number of proteins to 21 systems. Then, we tried to use a general protocol for all the chosen proteins in order to improve the results of currently used scoring functions in the field. After studying the simulations and trying several protocols on this subset we we observed that every protein (or at least family) that we want to study needs an specific simulation protocol in order to correctly reproduce the induced-fit effect and improve the results of the most used scoring function: glide from schrodinger.
Finally we applied the platform and our previous hypothesis to an industrial virtual screening campaign, as part of the collaborative Retos project: Silicoderm. In this case we worked with only one protein and several compounds and we confirmed the need for a tailored simulation protocol for the receptor in order to improve results.<br>Esta tesis explica el diseño, desarrollo, testeo en el dataset de referencia DUD-e y la aplicación en un proyecto industrial de cribado virtual de la plataforma PELE VS. Las herramientas más rápidas usadas en campañas de cribado virtual no tienen en cuenta el efecto de ajuste inducido, y aunque hay metodologías capaces de reproducir este efecto o bien requieren de mucho tiempo de computación o son muy limitadas en cuanto a qué transformaciones pueden realizar.sobre la proteina. El objetivo de esta tesis es que gracias al desarrollo de la plataforma PELE VS podamos aplicar el programa de simulación PELE (Protein Energy Landscape Exploration) para reproducir el efecto del ajuste inducido. El programa de simulación PELE utiliza una combinación de un algoritmo de monte y una minimización energética para modelar la proteína. Esta aproximación nos permite realizar tanto grandes cambios conformacionales como pequeños ajustes locales de la proteina, a la vez que nos proporciona un buen muestreo conformacional del ligando. Esta combinación nos permite reproducir el efecto del ajuste inducido con una rápida simulación. Tradicionalmente PELE ha sido usado con éxito en el campo de la ingeniería de enzimas donde solo unos pocos compuestos por proteina son estudiados y probados. Para poder aplicar el programa al campo del cribado virtual, donde miles de compuestos son testeados in silico, el primer paso ha realizar es la automatización de todo el proceso de preparación, lanzamiento y análisis de las simulaciones. Es por eso que durante el transcurso de esta tesis la plataforma PELE VS ha sido desarrollada, junto con otros programas auxiliares. Una vez desarrollada la plataforma, quisimos comprobar el compportamiento de PELE en un conocido datase the referencia, así que lo probamos en el dataset DUD-e. Dado que este dataset contiene más de 100 proteinas, seleccionamos solo unas pocas proteinas de cada una de las familias que forman el dataset, reduciendo el numero de proteínas a 21 receptors. A continuación, probamos un protocolo de simulación genérico sobre los receptores seleccionados con el objetivo de mejorar los resultados de funciones de puntuacións utilizadas actualmente en el campo. Después de estudiar las simulaciones y probar diferentes protocolos de simulaciones en el subset seleccionado, concluimos que cada proteina (o al menos familia de proteínas) que deseemos estudiar requiere de un protocolo de simulación específico para porder reproducir correctamente el efecto del ajuste inducido y así mejorar los resultados de la función de puntuación más usada:: glide de Schrodinger. Finalmente, aplicamos la plataformar y nuestra hipóstesis previa a una campaña industrial de cribado virtual, como parte del proyecto RETOS colaborativo: SilicoDerm. En este caso trabajamos solo son una proteína y diversos compuestos. Durante esta apliación pudimos confirmar la necesidad de un protocolo de simulación adaptado al receptor que se quiere estudiar, para así poder mejorar los resultados de las metodologías actuales.
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Al, Shekaili Dhahi. "Integrating Linked Data search results using statistical relational learning approaches." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/integrating-linked-data-search-results-using-statistical-relational-learning-approaches(3f77386b-a38a-4110-8ce1-bda6340e6f0b).html.
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Linked Data (LD) follows the web in providing low barriers to publication, and in deploying web-scale keyword search as a central way of identifying relevant data. As in the web, searchesinitially identify results in broadly the form in which they were published, and the published form may be provided to the user as the result of a search. This will be satisfactory in some cases, but the diversity of publishers means that the results of the search may be obtained from many different sources, and described in many different ways. As such, there seems to bean opportunity to add value to search results by providing userswith an integrated representation that brings together features from different sources. This involves an on-the-fly and automated data integration process being applied to search results, which raises the question as to what technologies might bemost suitable for supporting the integration of LD searchresults. In this thesis we take the view that the problem of integrating LD search results is best approached by assimilating different forms ofevidence that support the integration process. In particular, thisdissertation shows how Statistical Relational Learning (SRL) formalisms (viz., Markov Logic Networks (MLN) and Probabilistic Soft Logic (PSL)) can beexploited to assimilate different sources of evidence in a principledway and to beneficial effect for users. Specifically, in this dissertation weconsider syntactic evidence derived from LD search results and from matching algorithms, semantic evidence derived from LD vocabularies, and user evidence,in the form of feedback. This dissertation makes the following key contributions: (i) a characterisation of key features of LD search results that are relevant to their integration, and a description of some initial experiences in the use of MLN for interpreting search results; (ii)a PSL rule-base that models the uniform assimilation of diverse kinds of evidence;(iii) an empirical evaluation of how the contributed MLN and PSL approaches perform in terms of their ability to infer a structure for integrating LD search results;and (iv) concrete examples of how populating such inferred structures for presentation to the end user is beneficial, as well as guiding the collection of feedbackwhose assimilation further improves search results presentation.
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Koyamada, Koji. "Techniques for visualizing 3-D FEM results using tetrahedral cells." Kyoto University, 1994. http://hdl.handle.net/2433/74651.
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Nadir, Miran Ismaiel. "Displaying Query Results in AMOS II Graphically using SVG & X3D." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-152991.
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There are a lot of tools and libraries on the internet that can represent data visually from various database engines, but these tools or libraries are all commercial products and they do not provide a way to customize the source code for your own needs. Add to that, none of these tools and libraries support representing data from AMOSII which is a main memory object-relational database system developed by Uppsala Database Laboratory (UDBL). We thought it will be interesting to have a tool that can display the result of an AMOSQL query graphically (e.g. Chart) that will help the viewer to better understand the result of the query. It will also serve the purpose of aiding the teaching staff in the University to better formulate course assignments for related courses. Our work will certainly aid the faculty members and other students who may be interested in continuing through this project and make it an extensive library which can represent data results from AMOSII queries as other types of charts. Through this project we have developed a java library that can take the result of any AMOSQL query and display the results graphically in six different types of charts(graphs). We have used SVG (Scalable Vector Graphics) and X3D (Extensible 3D Graphics) for generating the graphs. SVG is a specification language using XML (Extensible Markup Language) file format for describing two-dimensional vector graphics. The SVG specification is an open standard and the most recent version (1.1) is a World Wide Web Consortium (W3C) recommendation. It is supported by all the major browsers; that mean the query result can be displayed on any device that has an Internet browser. X3D is the ISO standard XML-based file format for representing 3D computer graphics, it is the successor to the Virtual Reality Modeling Language (VRML). It supports the ability to encode the scene using XML syntax as well as the Open Inventor-like syntax of VRML97, or binary formatting, and enhanced application programming interfaces (APIs). However it requires plug-in for regular browsers to be able to open X3D scene. The X3D has been used to generate the 3D Plot graph function.
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Hagström, Emil, and Tomas Löfwall. "Measuring Acceleration in Vehicles using the AccBox System : Results and Discussion." Uppsala universitet, Elektricitetslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-199785.
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The goal of the project was to measure accelerations in cars, buses and motorcycles. A cubic wooden box was built and three (two-axis) acceleration sensors were installed. A Matlab-program that filters the signal and calculates the acceleration components was developed. Measuring the angular acceleration was more complicated than expected. With the current setup and software the box only measures the linear accelerations in three dimensions. The accelerations of cars and buses tested never exceed 1 g under normal urban driving. The motorcycle tested reached 2 g accelerations in the x-y-plane and 4 g in the z-direction.
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Gilbreath, Donna Arlene. "PROJECTING THE RESULTS OF STATE SMOKING BAN INITIATIVES USING CARTOGRAPHIC ANALYSIS." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_theses/453.
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Because tobacco smoking causes 430,000 U.S. deaths annually, wide-reaching smoking bans are needed. Bans reduce cigarette consumption, encourage cessation, protect nonsmokers from second-hand smoke, and promote an attitude that smoking is undesirable. Therefore, bans may prevent future generations from suffering many smoking-related health problems. The federal government has not implemented widereaching smoking bans so it falls on individual states, counties, or communities to devise appropriate smoking policy. To date, smoking policy has been determined by legislators, who may have conflicts that prevent them from acting in the publics best interest. However, this method of implementing smoking policy may be changing. In 2005, Washington residents voted by ballot initiative to strengthen existing state smoking regulations. In 2006, Arizona, Nevada, and Ohio residents voted by ballot initiatives to implement strict statewide smoking bans. This research presents a way to predict how residents of other states might vote if given the opportunity. Two research hypotheses are tested and accepted: a positive relationship between favorable votes and urbanness, and a preference favoring smoking bans where smoking regulations already exist. Finally, a projection is made that a smoking ban vote in Kentucky would yield favorable results, and a map showing projected county votes is provided.
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Austin, William John. "Using intermediate results in parallel multi-source high-level vision algorithms." Thesis, Heriot-Watt University, 1997. http://hdl.handle.net/10399/680.
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Milburn, David L. "Using measured photography to obtain optimal results from CCD color scanners /." Online version of thesis, 1993. http://hdl.handle.net/1850/11095.
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Smurzynski, Jacek. "Preliminary Results of Multiple DPOAE Measurements Performed using the Sentiero System." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/2159.
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Jacobi, Christoph, and Daniel Mewes. "Heat flux classification of CMIP5 model results using self-organizing maps." Universität Leipzig, 2019. https://ul.qucosa.de/id/qucosa%3A74181.
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We used the self-organizing maps (SOMs) method on eight models that
participated in the Coupled model intercomparison project phase 5 (CMIP5) and two
different greenhouse gases (GHG) concentration experiments. The SOMs were created from the winter 500 hPa horizontal temperature flux for each model. The clustering by the SOM revealed that in addition to the three flux pathways found in reanalyses (Pacific, Atlantic and Siberian/continental pathway), superpositions of these occur for the free running climate models, which develop their dynamic more freely than the reanalyses.
It was found that the general structure of fluxes is indirectly dependent on the GHG
concentrations, as the derived results from SOM patterns are different between the two GHG concentrations. It is suggested that flux patterns change from stable cyclonic motion over the north pole to flux pathways that feature more meridional fluxes through the North Atlantic and North Pacific into the Arctic.<br>Die Methode der Self-Organizing Maps (SOMs) wurde auf acht CMIP5-Modelle mit jeweils zwei verschiedenen Treibhausgasszenarien angwendet.
Die SOMs wurden für jedes Modell und jede der beiden Modelläufe für den horizontalen Temperaturfluss in 500 hPa im Winter erstellt. Zusätzlich zu den aus der Analyse von Reanalyse-Daten erwarteten drei Transportwegen (pazifisch, atlantisch und sibirisch/kontinental) wurden Überlagerungen dieser gefunden. Es konnte gezeigt werden, dass die grundsätzliche Struktur der Transporte indirekt abhängig von der Treibhausgaskonzentration ist. Die Ergebnisse deuten darauf hin, dass sich die generelle Struktur des atmosphärischen Transports von einer stabilen zyklonalen Bewegung über dem Nordpol sich zu Transporten verschiebt, welche meridionale Transporte über den Nortdatlantik und den Nordpazifik in die Arktis führen.
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Glover, Jonathan Charles. "Implementation using simple mechanisms : some theoretical results and applications to accounting." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1272453443.
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Glover, Jonathan. "Implementation using simple mechanisms : some theoretical results and applications to accounting /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487779914826477.
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Nelson, Tom, Michael Rice, and Michael Jensen. "EXPERIMENTAL RESULTS FOR SPACE-TIME CODING USING ARTM TIER-1 MODULATION." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/604783.
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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>When using two antennas to transmit telemetry from an airborne platform, self interference results
when both transmit antennae are visible to the receive antenna. This self interference can lead to link
outages and severe distortion, especially as data rates increase above 5 Mbits/sec. Space-time coding can
be used to provide transmit diversity to overcome this self interference problem. This paper describes
the results of experiments (conducted at Edwards Air Force Base, California, USA) using FQPSK-JR
waveforms coded with ARTM Tier-1 Space-Time Block Code.
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Sheode, Ninad V. "Analysis of stratospheric bromine monoxide from SCIAMACHY using comparison with model results." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980664500.
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Smith, Lisa W. "Using formative assessment results to predict student achievement on high stakes tests." Lynchburg, Va. : Liberty University, 2008. http://digitalcommons.liberty.edu.
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Abalikšta, Tomas. "Bariatric Surgery Using Different Adjustable Gastric Bands: the Results of Prospective Randomised Study." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20111122_102346-26498.
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It has been estimated that LAGB represents about 42% of bariatric operations performed worldwide. There are a number of different adjustable gastric bands available. Few attempts have been made to compare the influence of band design differences for efficiency and complication rate. There are no accepted criteria for choosing this particular operation. In the dissertation we compared one year results after adjustable gastric banding using different adjustable gastric bands – SAGB and MiniMizer Extra. We have determined that laparoscopic adjustable gastric banding is effective and safe bariatric procedure: the average percentage of initial excess body mass index loss was 33,1 ± 21,9%; 34.1% of patients achieved fair, 30,6% - good, 9,4% - very good and 2,4% - excellent results according to BAROS; only 5 (4,9%) major complications were diagnosed. No radical differences were stated between the efficiency and complication rate of the compared adjustable gastric bands: the average percentage of initial excess body mass index loss in SAGB and MiniMizer Extra groups was 28,9 ± 21,3% and 36,8 ± 22.1% respectively, p=0.075; major complication rate was 0 (0%) and 5 (9.3%) respectively, p=0.069. Patients at the age of 40 and older achieved better results using MiniMizer Extra band - the average percentage of initial excess body mass index loss was 37,5 ± 20,8% versus 23,6 ± 13,8% in SAGB group, p=0.002. Patients with initial BMI ≤ 47 achieved better results using MiniMizer Extra band... [to full text]<br>Šiuo metu Pasaulyje skrandžio apjuosimo reguliuojama juosta operacijos sudaro apie 43 % visų chirurginių operacijų, atliekamų nutukimui gydyti. Iki šiol nėra pilnai ištirta operacijoje naudojamų skrandį apjuosiančių reguliuojamų juostų konstrukcijos skirtumų įtaka gydymo rezultatams, taip pat nėra priimtų pacientų atrankos šiai operacijai kriterijų. Disertacijoje palyginome vienerių metų nutukimo chirurginio gydymo rezultatus naudojant skirtingas skrandį apjuosiančias reguliuojamas juostas – SAGB ir MiniMizer Extra. Nustatėme, kad skrandžio apjuosimo reguliuojama juosta operacija yra efektyvus ir saugus nutukimo gydymo būdas: vidutinis procentinis perteklinio kūno masės indekso sumažėjimas buvo 33,1 ± 21,9%; vertinant pagal BAROS, 34.1% pacientų pasiekė patenkinamą, 30,6% - gerą, 9,4% – labai gerą ir 2,4% – puikų gydymo rezultatą; pasitaikė 5 (4,9%) „didžiosios” komplikacijos. Esminių skirtumų tarp lygintų juostų efektyvumo ir komplikacijų skaičiaus po vienerių metų po operacijos nenustatyta: vidutinis procentinis perteklinio kūno masės indekso sumažėjimas SAGB ir MiniMizer Extra grupėse buvo atitinkamai 28,9 ± 21,3% ir 36,8 ± 22.1%, p=0.075, o „didžiųjų” komplikacijų skaičius atitinkamai 0 (0%) ir 5 (9.3%), p=0.069. 40 metų ir vyresni pacientai geresnių rezultatų pasiekė naudojant MiniMizer Extra juostą - vidutinis procentinis perteklinio kūno masės indekso sumažėjimas buvo 37,5 ± 20,8% prieš 23,6 ± 13,8 % SAGB grupėje, p=0.002. Pacientai, kurių pradinis KMI ≤ 47, geresnių... [toliau žr. visą tekstą]
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Stanton, Julie. "Using results from the exploration of human autobiographical memory to build software agents." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16590/.
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As a result of globalisation the cultural, political, economical and technological environments people live in today are becoming increasingly integrated and interdependent. It is common knowledge that the problems we face in these environments are almost always interdisciplinary, yet building interdisciplinary frameworks is still a niche in scientific research.
This thesis addresses the problem of how to incorporate in an experimental interdisciplinary framework, diverse concepts from several independent scientific areas. This work is specifically about implementing results emerging from naturalistic studies, such as autobiographical memory, in the context of information and communication technologies within an interdisciplinary framework.
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Henderson, Alistair. "Predicting Ignition Time Under Transient Heat Flux Using Results from Constant Flux Experiments." University of Canterbury. Civil Engineering, 1998. http://hdl.handle.net/10092/8273.
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This project investigated if ignition could be mathematically predicted when a material is subjected to a transient heat flux.
Six timbers commonly used in New Zealand for construction and indoor furnishing timbers were tested in a cone calorimeter at the University of Canterbury. The experiments were run at 50, 35, 20 and 15 kW/m2 incident heat flux. The sample surface temperature and heat release data was collected for each test. From the ignition time data a value for thermal inertia was calculated and using specific heat data from the literature the thermal properties of each material was inserted into a One Dimensional Heat Transfer Model.
A second series of tests were conducted on each of the materials tested at constant flux. These new tests involved subjecting the sample to a transient heat flux based on t² fire growth curves. Again surface temperature and heat release data was obtained from the tests.
The one dimensional heat transfer model was used to attempt to predict the surface temperature profile and the ignition time when the test conditions were entered into it.
It was found that the predicted surface temperature profile generally matched the shape of the measured temperature profile. However the model was unsuccessful in accurately predicting the ignition time in either the constant or transient flux conditions.
It is considered that accurate values for the thermal conductivity and the specific heat would be required before the ignition time and temperature profile could be accurately modelled.
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Koch, Stefan, and Georg Schneider. "Results from software engineering research into open source development projects using public data." Institut für Informationsverarbeitung und Informationswirtschaft, WU Vienna University of Economics and Business, 2000. http://epub.wu.ac.at/494/1/document.pdf.
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This paper presents first results from research into open source projects from a software engineering perspective. The research methodology employed relies on public data retrieved from the CVS-repository of the GNOME project and relevant discussion groups. This methodology is described in detail and some of the results concerning the special characteristics of open source software development are given. (author's abstract)<br>Series: Diskussionspapiere zum Tätigkeitsfeld Informationsverarbeitung und Informationswirtschaft
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Soane, Alexander (Alexander Visotsky). "A 140 GHz gyro-amplifier using a confocal waveguide : theory and experimental results." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113937.
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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 139-147).<br>This thesis reports on the theory, design, and experimental investigation of a gyrotron travelling-wave-tube (TWT) amplifier at 140 GHz. The gyro-TWT uses the HE06 mode of a confocal geometry as its operating mode. The linear and nonlinear theory of the confocal waveguide is presented, along with a quasi-optical approach for describing the modes of a confocal waveguide. Both the equations of motion and the mode excitation equation are derived in detail. A beamlet code is introduced as a tool for calculating the linear and nonlinear gain of the azimuthally asymmetric confocal modes that interact with the electron beam with an annular distribution of electron guiding centers. This code has been successfully benchmarked against the code MAGY for azimuthally symmetric cases, and extends the capabilities of nonlinear gyroamplifier theory to configurations that lack azimuthal symmetry. The gyro-TWT experimental setup is presented in detail. Quasi-optical mode converters were designed, fabricated, and tested, ultimately achieving a coupling of -3 dB into the HE06 mode. The source of competing, parasitic oscillations was identified and addressed by the addition of dielectric loading attached to the side of the open geometry of the confocal waveguide. The improvements to the gyro-TWT system allowed for zero-drive stable operation at currents up to 3 A. The design frequency of 140.0 GHz was successfully amplified with 35 dB circuit gain and a -3 dB bandwidth of 1.2 GHz from a 48 kV, 3 A electron beam with a beam pitch factor of 0.64 and a perpendicular velocity spread of 6%. The gyro-TWT produced 550 W at 140.0 GHz under the same operating conditions. During experimental testing, the pulse length used was 2 microseconds. The performance of the confocal gyro-TWT suggests that it may be a candidate for application to Dynamic Nuclear Polarization (DNP) Nuclear Magnetic Resonance (NMR) experiments.<br>by Alexander Visotsky Soane.<br>Ph. D.
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Wang, William K. "Experimental Results and Computer Simulations for Post-Combustion Carbon Dioxide Removal Using Limestone." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1262100381.
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Dantas, Larissa Martins. "AvaliaÃÃo externa e prÃtica docente: o caso do Sistema Permanente de AvaliaÃÃo da EducaÃÃo BÃsica do Cearà (SPAECE) em uma escola em MaracanaÃ-CE." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14540.
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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Os resultados das avaliaÃÃes de desempenho, especialmente com foco em lÃngua portuguesa e raciocÃnio lÃgico, tÃm permeado o cenÃrio escolar e educacional. Nos Ãltimos anos, o tema âsucesso escolarâ tornou-se notÃrio ao ser associado aos sistemas de avaliaÃÃo de larga escala e, sobretudo, a partir do fortalecimento de sistemas federais e estaduais de avaliaÃÃo. Neste trabalho, apresentamos as perspectivas de professor, gestor e alunos sobre avaliaÃÃo externa e trazemos as contribuiÃÃes dos estudos sobre polÃtica educacional com o intuito de auxiliar a discussÃo sobre a polÃtica de avaliaÃÃo estadual, o Sistema Permanente de AvaliaÃÃo da EducaÃÃo BÃsica do Cearà (SPAECE), e o uso dos resultados desta avaliaÃÃo em sala de aula. Escolhemos como cenÃrio de pesquisa as escolas que registraram os melhores resultados nos Anos Iniciais no SPAECE na sÃrie histÃrica 2009-2013 do municÃpio de MaracanaÃ, elegendo aquela que apresentou um perfil homogÃneo de crescimento, destacando-se entre as escolas com maiores pontuaÃÃes nos cinco anos analisados. O estudo caracteriza-se pelo uso de dados quantitativos e qualitativos, constituindo-se, portanto em uma pesquisa mista. O aspecto quantitativo refere-se aos dados computados atravÃs dos resultados do SPAECE, Ãndices numÃricos que registram em uma escala de 0 a 500, a proficiÃncia mÃdia dos alunos participantes e ainda o uso de dados secundÃrios, que colaboram com a anÃlise da amostra. O teor qualitativo se faz presente na anÃlise do trabalho desenvolvido pelos atores do processo escolar. Como estratÃgias metodolÃgicas, escolhemos o uso de entrevistas com professor e gestor, alÃm de um grupo focal com alunos que participaram do 5 ano em 2013. Seguindo os parÃmetros definidos, foi identificada a escola Walmiki Sampaio de Albuquerque como lÃcus de pesquisa. Quando analisamos as entrevistas e os indicadores educacionais, encontramos pontos de congruÃncia entre as falas e os dados, pois emerge a diferenÃa que os Anos Iniciais possuem dos Anos Finais. Se, para os alunos, o contato com o professor à um dos pontos de destaque dos Anos Iniciais, para professora e gestora, a aprendizagem consolidada apoiada em formaÃÃes e materiais elaborados contribuem para o sucesso do aluno. No entanto, os indicadores apontam que os Ãxitos registrados nos Anos Iniciais nÃo migram para os Finais. Nas falas dos trÃs sujeitos pesquisados à possÃvel inferir um direcionamento das atividades em sala de aula para as avaliaÃÃes externas, tendo por base, simulados e pequenas avaliaÃÃes realizadas pela professora. Trazemos a tona a dicotomia processo/produto, pois tambÃm nos questionamos em que momentos hà ensino (processo) e em que momentos estariam acontecendo as avaliaÃÃes (produtos)? Um de nossos objetivos neste trabalho foi estabelecer pontes entre a avaliaÃÃo, a polÃtica educacional cearense por meio de seu sistema de avaliaÃÃo e o uso dos resultados do mesmo, em que pesem estarem inseridos em um cenÃrio exitoso. Nas entrevistas foi possÃvel observar que os resultados estÃo sendo usados de forma enviesada, servindo para novos simulados e avaliaÃÃes, faltando uma maior consistÃncia no uso dos resultados quando ao redirecionamento de atividades pedagÃgicas que induzam a aprendizagem discente real. Como se vÃ, existe a Ãnfase no produto, sem, no entanto ter atenÃÃo ao processo que o antecipa.
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Kennedy, Ben. "The nature and origins of caldera structure and morphology, using results from analogue modeling /." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33416.
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Calderas illustrate a variety of different styles which are controlled by their internal structure and morphology. The internal structure of many calderas is not exposed; as a result, the calderas frequently are interpreted as simple pistons. The results and examples from this thesis indicate that caldera structure is often more complex than this and that caldera formation consists of several stages controlled by complex interactions of many variables. Internal processes and parameters include rock properties (shear strength, planes of weakness, vertical and horizontal variations), dimensions and internal pressure of the associated magma chamber, styles of tumescence and resurgence, and the size of the eruption. External processes and parameters are also important, such as the regional stress regime (e.g., extensional and pull-apart basins), pre-existing topography, and pre-existing structures (e.g., regional faults, basement grain).<br>Scaled physical models of caldera formation were carried out to investigate the effects of some of these variables on the temporal development of calderas. (Abstract shortened by UMI.)
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Svensson, Michael. "The clinical, radiographic, histological and ultrastructural results after anterior cruciate ligament reconstruction using autografts /." Göteborg : Dept. of Orthopaedics, Institute of Surgical Sciences, Sahlgrenska Academy at Göteborg University, Göteborg, 2008. http://hdl.handle.net/2077/8437.
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Bradley, Curtis M. "Effects of soil data resolution on modeling results using physically based rainfall-runoff model." Thesis, The University of Arizona, 2003. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0033_m_sip1_w.pdf&type=application/pdf.
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Chen, Ziyue. "Generalizing Results from Randomized Trials to Target Population via Weighting Methods Using Propensity Score." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1503007759352248.
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Mommert, M., D. E. Trilling, D. Borth, et al. "FIRST RESULTS FROM THE RAPID-RESPONSE SPECTROPHOTOMETRIC CHARACTERIZATION OF NEAR-EARTH OBJECTS USING UKIRT." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/614713.
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Using the Wide Field Camera for the United Kingdom Infrared Telescope (UKIRT), we measure the near-infrared colors of near-Earth objects (NEOs) in order to put constraints on their taxonomic classifications. The rapid-response character of our observations allows us to observe NEOs when they are close to the Earth and bright. Here we present near-infrared color measurements of 86 NEOs, most of which were observed within a few days of their discovery, allowing us to characterize NEOs with diameters of only a few meters. Using machine-learning methods, we compare our measurements to existing asteroid spectral data and provide probabilistic taxonomic classifications for our targets. Our observations allow us to distinguish between S-complex, C/X-complex, D-type, and V-type asteroids. Our results suggest that the fraction of S-complex asteroids in the whole NEO population is lower than the fraction of ordinary chondrites in the meteorite fall statistics. Future data obtained with UKIRT will be used to investigate the significance of this discrepancy.
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Larsson, Martin, and Samuel Ljungberg. "Readability: Man and Machine : Using readability metrics to predict results from unsupervised sentiment analysis." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301842.
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Readability metrics assess the ease with which human beings read and understand written texts. With the advent of machine learning techniques that allow computers to also analyse text, this provides an interesting opportunity to investigate whether readability metrics can be used to inform on the ease with which machines understand texts. To that end, the specific machine analysed in this paper uses word embeddings to conduct unsupervised sentiment analysis. This specification minimises the need for labelling and human intervention, thus relying heavily on the machine instead of the human. Across two different datasets, sentiment predictions are made using Google’s Word2Vec word embedding algorithm, and are evaluated to produce a dichotomous output variable per sentiment. This variable, representing whether a prediction is correct or not, is then used as the dependent variable in a logistic regression with 17 readability metrics as independent variables. The resulting model has high explanatory power and the effects of readability metrics on the results from the sentiment analysis are mostly statistically significant. However, metrics affect sentiment classification in the two datasets differently, indicating that the metrics are expressions of linguistic behaviour unique to the datasets. The implication of the findings is that readability metrics could be used directly in sentiment classification models to improve modelling accuracy. Moreover, the results also indicate that machines are able to pick up on information that human beings do not pick up on, for instance that certain words are associated with more positive or negative sentiments.<br>Läsbarhetsmått bedömer hur lätt eller svårt det är för människor att läsa och förstå skrivna texter. Eftersom nya maskininlärningstekniker har utvecklats kan datorer numera också analysera texter. Därför är en intressant infallsvinkel huruvida läsbarhetsmåtten också kan användas för att bedöma hur lätt eller svårt det är för maskiner att förstå texter. Mot denna bakgrund använder den specifika maskinen i denna uppsats ordinbäddningar i syfte att utföra oövervakad sentimentanalys. Således minimeras behovet av etikettering och mänsklig handpåläggning, vilket resulterar i en mer djupgående analys av maskinen istället för människan. I två olika dataset jämförs rätt svar mot sentimentförutsägelser från Googles ordinbäddnings-algoritm Word2Vec för att producera en binär utdatavariabel per sentiment. Denna variabel, som representerar om en förutsägelse är korrekt eller inte, används sedan som beroende variabel i en logistisk regression med 17 olika läsbarhetsmått som oberoende variabler. Den resulterande modellen har högt förklaringsvärde och effekterna av läsbarhetsmåtten på resultaten från sentimentanalysen är mestadels statistiskt signifikanta. Emellertid är effekten på klassificeringen beroende på dataset, vilket indikerar att läsbarhetsmåtten ger uttryck för olika lingvistiska beteenden som är unika till datamängderna. Implikationen av resultaten är att läsbarhetsmåtten kan användas direkt i modeller som utför sentimentanalys för att förbättra deras prediktionsförmåga. Dessutom indikerar resultaten också att maskiner kan plocka upp på information som människor inte kan, exempelvis att vissa ord är associerade med positiva eller negativa sentiment.
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Karaca, Mehmet. "Overal Performance Prediction Of Turbo Rotary Compound (turc) Engine Using Simulation Results Of Engine Components." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606491/index.pdf.
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The thesis proposes an overall performance estimation procedure for a new turbo-rotary compound engine (TURC) and an associated novel thermodynamic cycle. In this engine, two or multiple spools are lined up in series within the engine. In the front spool, positive displacement rotary vane type turbines drive axial compressor the performance of which were estimated using stage stacking calculations. In the back spool, axial turbine stages drive positive displacement rotary vane type compressors, the performance of axial turbine was predicted by series matching of turbine stages. Two air streams feed separately the customary turbo components and the rotary vane components, respectively. Accordingly, the primary high mass flow through the axial compressors and turbines undergoes Bryton cycle, where as the secondary, low mass flow through the positive displacement rotary components is mainly undergoes Akmandor cycle, which is a novel thermodynamic cycle. The energy consumed internally by the engine is minimized because less input shaft power is needed for the rotary vane compressors and higher inlet temperatures and less cooling can be tolerated by the intermittent combustion rotary vane turbines. The result is a radical improvement in both efficiency and net power output. But this result can be estimated, since the novel engine is the combination of a high efficiency internal combustion engine and high performance gas turbine engine. Aerothermodynamics and spool matching calculations comparing a T56-A14 core with a TURC of similar size and compression ratio show that the new engine provides superior performance characteristics by increasing the net output work by 100% and decreasing the specific fuel consumption by 20%.
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Petriks, Olga. "Future of Hydropower in Sweden - Results of a workshop using external and value-based scenarios." Thesis, KTH, Industriell ekologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-58626.
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Increasing importance of environmental concerns, growing demand for renewable energy, future introduction of electrical cars, improving energy efficiency, ambivalent attitude of society to nuclear power and multiple other external factors may become driving forces for future changes within the hydropower field in Sweden. On the other hand the dynamics for these changes can emerge from the value-systems, arguments, intentions and actions of the stakeholders, many of which are not satisfied by the present situation within the sector, but see its future changes in a different way. This makes the study case of hydropower in Sweden challenging for technology assessment and at the same time the technology assessment method, the scenario workshop that can provide interaction among the opposing parties and serve as a bridging event between the phase when various ways of future technology development are promoted by various actors and the decision-making phase. The ensuing research question is if the scenario workshop can be successfully applied to the hydropower case, the technology which is more than hundred years old, and if it can improve communication among the stakeholders to enhance their learning. The learning implies different dimensions such as Improved articulation of the problems at hand, probing each other‟s world and better understanding of the other stakeholders‟ positions and value systems, driving forces and crucial events for the future development of the whole hydropower sector and possible scenarios for this development. In order to answer this question more than 20 interviews with the main stakeholders have been carried out and a workshop based on possible external and internal future scenarios for hydropower in Sweden was organized. Evaluation of the workshop showed that the chosen method was efficient and the aim, which was stakeholders learning, was reached.
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Hardarson, Gisli. "The Effects of Using Results from Inversion by Evolutionary Algorithms to Retrain Artificial Neural Networks." Thesis, University of Skövde, Department of Computer Science, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-411.
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<p>The aim of inverting artificial neural networks (ANNs) is to find input patterns that are strongly classified as a predefined class. In this project an ANN is inverted by an evolutionary algorithm. The network is retrained by using the patterns extracted by the inversion as counter-examples, i.e. to classify the patterns as belonging to no class, which is the opposite of what the network previously did. The hypothesis is that the counter-examples extracted by the inversion will cause larger updates of the weights of the ANN and create a better mapping than what is caused by retraining using randomly generated counter-examples. This hypothesis is tested on recognition of pictures of handwritten digits. The tests indicate that this hypothesis is correct. However, the test- and training errors are higher when retraining using counter-examples, than for training only on examples of clean digits. It can be concluded that the counter-examples generated by the inversion have a great impact on the network. It is still unclear whether the quality of the network can be improved using this method.</p>
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Gordon, Janet. "An analysis of the acceptance of results of orthognathic surgery using a personality profile assessment." Title page, contents and summary only, 1999. http://web4.library.adelaide.edu.au/theses/09DM/09dmg6635.pdf.
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"February 1999" Bibliography: leaves 119-138. The results of the study concluded that the identification of the patient's personality profile was unable to predict those patients who would not have a successful perception of the outcome of surgery, mirroring the findings of Pogrel and Scott (1994) who found that it was impossible to identify the 'psychologically bad-risk' orthognathic patient.
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Bayrak, Mustafa Birkan. "Analysis of jointed plain concrete pavement systems with nondestructive test results using artificial neural networks." [Ames, Iowa : Iowa State University], 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3337379.
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Romanzini, Eliéder Prates. "Economic evaluation, strategy and prediction studies of results into beef cattle production using different scenarios /." Jaboticabal, 2019. http://hdl.handle.net/11449/183167.
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Orientador: Euclides Braga Malheiros<br>Resumo: A pecuária de corte brasileira tem sido pressionada no sentido de cada vez obter melhores resultados, o que força os proprietários a utilizar práticas e manejos específicos, os quais possibilitarão a manutenção dentro da atividade. Este estudo teve como objetivos avaliar o uso de inteligência artificial, mais especificamente redes neurais artificiais (RNA), para predizer resultados futuros tanto da produção de pasto quanto animal. Determinar dentre diversos cenários de recria e terminação de bovinos de corte em pastagens tropicais, qual foi o melhor cenário no que diz respeito aos resultados econômicos. Avaliar dentre diferentes doses de adubação nitrogenada, qual foi aquela que retornou melhores índices econômicos. As RNA se mostraram melhores que as regressões normalmente utilizadas para predizer as produções de pastagem (valores médios obtidos pelo uso das RNA foram 0,84; 0,78 e 0,75 para massa de forragem, porcentagens de folha e colmo, versus 0,74; 0,39 e 0,50 obtidos usando regressão linear múltipla) e animal (0,72 [RNA] e 0,67 regressão). No estudo referente aos cenários, os melhores resultados foram obtidos quando utilizado apenas sal mineral (lucratividade de 26,3%; período de “payback” simples igual à 11 ciclos e taxa interna de retorno de 9,30%) na recria dos bovinos de corte e na terminação, quando as variáveis climáticas possibilitaram via manejo de pastagem o uso de maior taxa de lotação (3,18 UA ha-1) na área. Quando avaliados os efeitos das doses de adubação n... (Resumo completo, clicar acesso eletrônico abaixo)<br>Abstract: Brazilian beef cattle has been under pression to obtain better results, which drives owners to use specific practices and management, which will allow the maintenance within livestock. This study aimed to evaluate use of artificial intelligence, specifically artificial neural networks (ANN), to predict future results both forage and animal productions. Determine between a lot of rearing and finishing phase scenarios of beef cattle production using tropical pastures, how was the best scenario considering economic results. Evaluate between different nitrogen fertilizers levels, how was there obtained best economic indexes. The ANN was better than regressions normally used to predict forage production (mean values obtained by ANN use were 0.84, 0.78 and 0.75 for forage mass, leaf and stem percentages, versus 0.74, 0.39 and 0.50 obtained using multiple linear regression) and animal (0.72 [ANN] and 0.67 regression). Into study about scenarios, the best results were obtained when used mineral mix just (profitability of 26.3%, simple payback period equal to 11 cycles and internal return ratio of 9.30%) during rearing phase of beef cattle. During finishing phase, the best results occurred when weather variables allowed by pasture handled, the use of higher stocking rate (3.18 AU ha-1) into area. The evaluation of economic results caused by different nitrogen fertilizer levels. Allowed to say that was possible to observe that there was linear increase both on costs, and gross revenue,... (Complete abstract click electronic access below)<br>Doutor
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Nilsson, Lisa. "Using Interest Rate Spreads to Predict Economic Development Empirical Results for the U.S. 1980-2007." St. Gallen, 2008. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/05609599001/$FILE/05609599001.pdf.
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Mathur, Tanmay. "Improving Classification Results Using Class Imbalance Solutions & Evaluating the Generalizability of Rationale Extraction Techniques." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1420335486.
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Valeš, Miroslav. "Seeking the Pattern: Using Quantitative Text Analysis to Assess Text Influence on Grant Program Results." Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-193924.
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Since software and hardware is well available for automated text analysis and since a large data that describes real projects submitted to grant program is opened up, there is a possibility to follow phenomena of behavioral economics and psycholinguistics which evidence particularities in textual descriptions may be statistically associated with a reader's behavior or with a reader's decision-taking, which, in this case, involves an influence on final allocation of grant funds. The thesis uses forenamed areas as a starting-point and also employs quantitative indicators from the field of forensic linguistics in order to perform a computer-aided quantitative text analysis. The main goal is to evaluate from correlation perspective, if there in real operational programmes were present any associable relationships between the quantitative features of a proposed project's textual description and the amount of grant allocated to a project. The thesis is divided into four chapters, where it introduces basis, describes analyzed data and used methods, comments on made analyses and found relations, and all the performed research is summarized and evaluated in the last chapter.
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Lohne, Paal Ovrebø. "Study of Critical Imaging Parameters and Variables for Environmental Monitoring Using an ROV with Experimental Results." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22776.
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In the oil and gas industry there is a high focus on integrating technology in the environmental monitoring happening before, during and after an offshore operation. In order to properly monitor the underwater environment, good images are needed. This can be achieved when proper equipment is used together with an underwater platform. There is a need for a good strategy on how to do underwater imaging in different environments. The strategy is used by the personnel involved in the operation, and to ensure that the right equipment and platform is selected for the job. A strategy on underwater imaging is presented and can be applied to analyse environmental monitoring operations from a top-down approach. The lack of natural light in underwater operations and the effect this has on the visibility is also of great importance. This is presented and investigated through an imaging experiment. Analyses of control methods have been conducted for ROV Minerva. This is a ROV that has been tested and developed through the AUR-Lab at the Department of Marine Technology at NTNU. In unknown areas and with poor visibility, it is important to maintain a good control of the ROV. The focus has been on how a joystick can be used with manual control and in a closed-loop control to make it easy for the pilot to navigate the vehicle. A joystick simulation system was developed for testing the joystick, and full scale experiments were conducted using ROV Minerva. The tests show promising results for using a joystick in closed-loop control. The different methods can become an important tool when navigating mobile platforms during underwater operations in known and unknown areas. The conclusion cannot account for all situations, as it also highly depends on the experience of the pilot. Therefore the joystick control should be tailored for each operation.
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Rauch, Gary Lugg Elizabeth T. "Using principal components analysis to analyze results of a community survey during a school building referendum." Normal, Ill. Illinois State University, 1999. http://wwwlib.umi.com/cr/ilstu/fullcit?p9960421.
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Thesis (Ed. D.)--Illinois State University, 1999.<br>Title from title page screen, viewed July 27, 2006. Dissertation Committee: Elizabeth Lugg (chair), James Martindale, James Palmer, Al Azinger. Includes bibliographical references (leaves 134-142) and abstract. Also available in print.
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Norrie, James, and not supplied. "Improving results of project portfolio management in the public sector using a balanced strategic scoring model." RMIT University. Property, Construction and Project Management, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070208.152804.
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This thesis suggests improvements, from a strategic perspective, to the practice of scoring projects in public sector organisations. It is argues that current approaches, notably project portfolio managing (PPM), are inadequate for many such organisations, and in fact prone to problems and failure. In particular, present scoring/prioritization approaches in such contexts, largely tend to focus on financial risk/return logic. It is argued that the end result of such a ranking approach is often a non-strategic portfolio project. To address these problems, the candidate proposed the refinement of the scoring approach for project portfolios via the incorporation of Kaplan & Norton's ideas in their Balanced Scorecard (BSC). BSC introduces, apart from purely financial considerations, other 'softer' perspectives (customer, internal business processes, learning and growth) which in combination place a more inclusive emphasis on the vision and strategy of the organisation. In this thesis, it is proposed that the combined PPM and BSC scoring approach amounts to more strategic project selection. Several case studies are conducted to illustrate the merits of the combined PPM/BSC logic. These include case studies in both private and public sector organisations.
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Sandén, Oscar. "Threat Management in Agile Organisations : Using the Results of a Threat Analysis in Agile Software Development." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-364635.
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A threat analysis of a computer system identifies and analyses threats to the systems and its assets. The process of handling the identified threats, verify the mitigations and to continuously discover new threats during agile development is difficult. By making use of the backlog to track threats and security-related tasks a transparent connection between the threats and their security controls is established. In combination with other tools, a method of integrating the threat analysis into an agiledevelopment method is created. The method proposed in this thesis is a solution to the problem of integrating a threat analysis into a agile organisation and presents tools that can aid in a continuous threat-driven security work.
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Unglaub, C., Ch Jacobi, G. Schmidtke, B. Nikutowski, and R. Brunner. "EUV-TEC - an index to describe ionospheric variability using satellite-borne solar EUV measurements: first results." Universität Leipzig, 2010. https://ul.qucosa.de/id/qucosa%3A16362.
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Primary ionisation of major ionospheric constituents is calculated from satellite-borne solar EUV measurements. Number densities of the background atmosphere are taken from the NRLMSISE-00 climatology. From the calculated ionisation rates, an index termed EUV-TEC, which is based on the global total ionisation is calculated, and describes
the ionospheric response to solar EUV and its variability. The index is compared against global mean ionospheric total electron content (TEC) derived from GPS data. Results show that the EUV-TEC index provides a better overall representation of global TEC than conventional solar indices like F10.7 do. The EUV-TEC index may be used for scientific research, and to describe the ionospheric effects on radio communication and navigation systems.
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Geoghegan, Mark, and Robert Schumacher. "PERFORMANCE RESULTS USING DATA QUALITY ENCAPSULATION (DQE) AND BEST SOURCE SELECTION (BSS) IN AERONAUTICAL TELEMETRY ENVIRONMENTS." International Foundation for Telemetering, 2017. http://hdl.handle.net/10150/627011.
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Flight test telemetry environments can be particularly challenging due to RF shadowing, interference, multipath propagation, antenna pattern variations, and large operating ranges. In cases where the link quality is unacceptable, applying multiple receiving assets to a single test article can significantly improve the overall link reliability. The process of combining multiple received streams into a single consolidated stream is called Best Source Selection (BSS). Recent developments in BSS technology include a description of the maximum likelihood detection approach for combining multiple bit sources, and an efficient protocol for providing the real-time data quality metrics necessary for optimal BSS performance. This approach is being standardized and will be included in Appendix 2G of IRIG-106-17. This paper describes the application of this technology and presents performance results obtained during flight testing.
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Eliasson, Cecilia. "Intensities as Tools in Grouting Evaluations - Using Data from the North Link and Stockholm City Line." Thesis, KTH, Jord- och bergmekanik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92557.
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Jervis, John. "The detection of clandestine graves using electrical resistivity surveys : Results form controlled experimnets and a case study." Thesis, Keele University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534317.
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徐茂練. "Using importance sampling''s results as external control variates." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/24211796631791423711.
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Hsieh, Chong-Ling, and 謝忠霖. "Evaluation of calibration chamber CPT results using normalization method." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/ncxdxz.
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碩士<br>國立臺北科技大學<br>土木與防災研究所<br>95<br>It is not easy to obtain undisturbed sandy soil sample for evaluation of its engineering properties. As a result, cone penetration test has been widely used in obtaining the properties of sandy soil because of its direct and simple use. However, the results in the field must first be calibrated and one of the most frequently used methods is via the calibration chamber test.
Because of the complex field conditions, there are currently five types of boundary conditions that can be used to simulate field conditions. As a result, the database of the calibration chamber tests is huge. Unlike the conventional method of interpretation of alibration result, this study tries to use the normalization method to reinterpret the available calibration result and to reevaluate some of the parameters that are sensitive to the cone tip resistance.
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Fisher, Virginia Applegate. "Using functional annotation to characterize genome-wide association results." Thesis, 2018. https://hdl.handle.net/2144/33248.
Full textAbstract:
Genome-wide association studies (GWAS) have successfully identified thousands of variants robustly associated with hundreds of complex traits, but the biological mechanisms driving these results remain elusive. Functional annotation, describing the roles of known genes and regulatory elements, provides additional information about associated variants. This dissertation explores the potential of these annotations to explain the biology behind observed GWAS results.
The first project develops a random-effects approach to genetic fine mapping of trait-associated loci. Functional annotation and estimates of the enrichment of genetic effects in each annotation category are integrated with linkage disequilibrium (LD) within each locus and GWAS summary statistics to prioritize variants with plausible functionality. Applications of this method to simulated and real data show good performance in a wider range of scenarios relative to previous approaches. The second project focuses on the estimation of enrichment by annotation categories. I derive the distribution of GWAS summary statistics as a function of annotations and LD structure and perform maximum likelihood estimation of enrichment coefficients in two simulated scenarios. The resulting estimates are less variable than previous methods, but the asymptotic theory of standard errors is often not applicable due to non-convexity of the likelihood function. In the third project, I investigate the problem of selecting an optimal set of tissue-specific annotations with greatest relevance to a trait of interest. I consider three selection criteria defined in terms of the mutual information between functional annotations and GWAS summary statistics. These algorithms correctly identify enriched categories in simulated data, but in the application to a GWAS of BMI the penalty for redundant features outweighs the modest relationships with the outcome yielding null selected feature sets, due to the weaker overall association and high similarity between tissue-specific regulatory features.
All three projects require little in the way of prior hypotheses regarding the mechanism of genetic effects. These data-driven approaches have the potential to illuminate unanticipated biological relationships, but are also limited by the high dimensionality of the data relative to the moderate strength of the signals under investigation. These approaches advance the set of tools available to researchers to draw biological insights from GWAS results.