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Relevant bibliographies by topics / Measuring instruments - Data processing

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Academic literature on the topic 'Measuring instruments - Data processing'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Measuring instruments - Data processing"

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Kanaya, T., K. Hirabayashi, I. Fujita, and K. Tsumura. "Detection of unusual data in online monitoring of wastewater processing." Water Science and Technology 33, no. 1 (1996): 71–79. http://dx.doi.org/10.2166/wst.1996.0007.

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A basic of process control is to understand process conditions with measuring instruments and to operate processes so as to realize target conditions. If input measured values were inaccurate, output of manipulated variables would become improper and, as a result, it would be difficult to bring the process to the desired condition. In the wastewater treatment process, thanks to the latest progress in sensor technology, numerous automatic measuring instruments have been introduced. However, because of adverse environmental conditions peculiar to the wastewater treatment process such as slime-contaminated sensing elements, long-term continuous measurement is rather difficult. We believe such disadvantages in the measurement are making automatic control of the process very difficult to achieve. Under such circumstances, we have developed a detection system for unusual data which automatically checks six items of deviation from upper and lower limit values, rate of change (too much or too little), collating data from similar measuring instruments, etc. based on the measuring data of the last 30 days. With this system, validity of the accumulated data is being checked using measuring data. Accordingly, it enables us to deal with characteristics of measuring instruments, situations of wastewater treatment plants, seasonal changes, etc. automatically. In this report, automatic methods to establish judgement criteria, structure of this detection system and logic of detection of unusual data are introduced. Furthermore, test results with the data collected from actual wastewater treatment plants are covered.

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Zhang, Shi Lin. "Research on Optical Radiation Measuring System Based on Virtual Instrument." Applied Mechanics and Materials 484-485 (January 2014): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.337.

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Using virtual instrument technology, digital signal processing technology and traditional optical radiation measuring technology to construct optical radiation measuring system breaks the construction methods of traditional instruments. Signal processing, collection, control and process of measuring system are implemented by the software LabVIEW8.2. And they are integrated in a computer. The computer not only is data processing center, but also is instrument control center. While measuring, the user uses the mouse to operate the handles including knobs, switch and buttons of virtual instrument panel to select instrument functions and set various parameters, which realizes measuring optical radiation with different wave bands and different intensity. And the user can change instrument operation panel, modify system software, transform instrument function, and customize instrument parameters, which embodies the idea that the software is the instrument.

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Yuan, Feng Wei, Yan Jiang, and Liang Bin Hu. "Automatic and Intellectualized Reconstruction of the Surface Roughness Measuring Instrument." Advanced Materials Research 328-330 (September 2011): 1912–15. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.1912.

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The automatic and intellectualized reconstruction is the important way to improve and expand the traditional instrumental function. The surface roughness is an important indicator of effecting parts and products performance. On the basis of using precision measurement technology, electronic technology and computer technology synthetically, the principle and method of the automatic and intellectualized reconstruction of JB-3C Type Surface Roughness Measuring Instrument is mainly introduced, which is to reconstruct the hardware circuit and develop function in view of the flaws that the data processing speed of the traditional instruments is slow and they can not print the curve very abundant and even that operating steps are complicated and other shortcomings. And we adopt Matlab and VC++ mix programming to gather, process, demonstrate, analyze and compute data, which has high applicability and performance price ratio.

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Wei, Yong Geng, and Zhong Xian Wang. "Research of Automatic Measurement Technology for Oil Thimble External Thread Parameters." Key Engineering Materials 579-580 (September 2013): 558–63. http://dx.doi.org/10.4028/www.scientific.net/kem.579-580.558.

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There are many problems for manual measurement of oil thimble external thread parameters: human error, low efficiency, low precision for measuring instruments and high abrasion for its measuring head, so photology automatic measurement method is adopted. Automatic measurement is finished by the following method: obtaining image by plane Matrix CCD and a two-DOF motion platform, extracting digital image by digital image processing techniques, getting the thread parameters by reasonable algorithms and digital image detection technology. Through field experiment of measuring instrument prototype for TYG type oil thimble external thread parameters, Data error is very small, obtained data is precise, measuring efficiency and precision for measuring instrument are high, there is no equipment abrasion problem for the measurement process, the method is feasible.

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Kalinchik, Vasilij, Vitaliy Pobigaylo, Vitaliy Kalinchyk, and Daniil Filjanin. "Use of statistical analysis methods in processing population survey data." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 1 (5) (May 28, 2021): 58–60. http://dx.doi.org/10.20998/2079-3944.2021.1.11.

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The article analyzes the structures of the measuring channels of electricity metering systems. It is shown that such a structure is determined by the types of measuring instruments used and the scheme of their connection, in particular, by the types of electricity meters installed at the metering points. Moreover, the counters can have a pulse or interface information output. It is shown that the path for measuring and metering electricity includes a measuring circuit consisting of measuring current and voltage transformers, an electricity meter, communication lines, a metering device and a data collection device. The applied method is based on the standardization of the metrological characteristics of individual elements of the measuring path and their synthesis based on the metrological characteristics of the entire electricity metering system. To calculate the total error of the measuring channel, a formula is used that takes into account only the errors of the measuring circuit. It is shown that in recent years there has been a tendency when measuring current transformers and, accordingly, electricity meters operate in the mode of low current loads. In this case, the errors of the elements of the measuring path are poorly studied. The graphs of errors of current transformers depending on load currents are given. It is shown that the values of the errors of current transformers vary with the magnitude of the load current and are in the region of negative values. Therefore, the wrong choice of current transformers can lead to a significant underestimation of electricity. The errors of voltage transformers depend mainly on the load on the secondary winding and do not significantly affect the total error. The resulting error of the measuring path current transformer - voltage transformer - electricity meter in the area of low loads is given. A change in errors in the area of low loads leads to serious metrological losses (underpayment of electricity). In the automation of electricity metering, graphs of changes in errors in the area of low loads are presented, which can serve as a basis for correcting the error of the measuring paths.

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Zhou, Zong Guo, Yin Xia Lou, and Jian Chu. "The Error Analysis and Data Processing of Leaf Water Potential." Advanced Materials Research 219-220 (March 2011): 1440–44. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.1440.

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For the implementation of precision irrigation (PI), it is most important to measure precisely plant water potential. The traditional measuring instruments still can not meet the need for continuous automatic detection of plant water potential, and have difficulty detecting living plant water potential. Plant water potential soft- sensing is one of the ways worth exploring. The first thing we should think about is the accuracy of the data. Filter the information of plant water potential acquired by the detecting system and further analyze this information to discover the change rules on the plant water potential.

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DAS, ATIN, and PRITHA DAS. "FRACTAL ANALYSIS OF DIFFERENT EASTERN AND WESTERN MUSICAL INSTRUMENTS." Fractals 14, no. 03 (2006): 165–70. http://dx.doi.org/10.1142/s0218348x06003192.

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In this paper, we attempt musical analysis by measuring fractal dimension (D) of musical pieces played by several musical instruments. We collected solo performances of popular instruments of Western and Eastern origin as samples. We attempted usual spectral analysis of the selected clips to observe peaks of fundamental and harmonics in frequency regime. After appropriate processing, we converted them into time series data sets and computed their fractal dimension. Based on our results, we conclude that instrumental musical sounds may have higher Ds than those computed from vocal performances of different types of Indian songs.

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Zhang, Ling Fei, and Sheng Yu Wang. "The Equal Precision Measurement Data Processing System Based on Virtual Instrument." Advanced Materials Research 981 (July 2014): 647–52. http://dx.doi.org/10.4028/www.scientific.net/amr.981.647.

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During quantitative analysis on measured object by using equal precision measurement method, there remains certain difference between the measuring result and truth value due to the impact on measuring method, measuring tools and measuring environment. In order to reduce measurement error, we usually make continuous equal precision measurements on the measured object repeatedly. Then we get the final result by theoretical calculations, error analysis and dispose on measurement data. The data processing shows complicated and error-prone .But now we take computer as a carrier, then combining with virtual instrument technology to accomplish the data-processing system. It can cover the manual computation shortage and can take humanization disposal on measurement data. Moreover, the results can show with multi-mode intuitively.

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Fedorenko, Vyacheslav F., Vitaly E. Tarkivskiy, Nikolay P. Mishurov, and Nikolay V. Trubitsyn. "Digital Data Processing Methods for Estimating Tractive Force of Tractors." Engineering Technologies and Systems 31, no. 1 (2021): 127–42. http://dx.doi.org/10.15507/2658-4123.031.202101.127-142.

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Introduction. When carrying out an energy assessment of agricultural machines and traction tests of tractors, the most important indicator is the value of the tractive effort. The existing methods for determining the tractive effort of tractors imply the use of specialized measuring instruments, such as strain gauges and devices for processing and displaying information. The accuracy of determining the tractive effort is significantly influenced by the physical and mechanical properties of soil. To process the useful signal during the measurement of tractive effort, the data stream of the strain gauge sensor must be subjected to additional digital filtering taking into account the operating conditions of the agricultural unit. Materials and Methods. The functions of changing the tractive effort obtained on the K-744R2 tractor in various gears have been analyzed. An algorithm for digital processing of the signal of a strain gauge force meter based on a median filter has been developed that makes it possible to increase the measurement accuracy. The advantage of the proposed method is the ability to cut off sharp short-term impulse noise and sharp fluctuations in the amplitude of the measured value. Results. A method for determining the amount of tractive effort using median signal processing has been proposed. A device for determining the tractive effort during testing of agricultural tractors and units has been developed. The choice of the main components of the device for determining the magnitude of the tractive effort has been substantiated. As a result of the research, a device for measuring and digital processing of the signal of a force meter based on a microcontroller and specialized software for processing initial data in real time was designed and manufactured. Discussion and Conclusion. The developed method makes it possible to exclude the negative effect of impulse noise arising in the process of measuring the tractive effort of the tractor. The proposed device for measuring the tractive effort of tractors is compatible at the level of the exchange protocol with existing devices, has a high speed of operation in real time, multi-channel operation.

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Pil'cov, Mihail. "DEVELOPMENT OF MEASURING INSTRUMENTS BASED ON ARDUINO PLATFORM AND PYTHON PROGRAMMING LANGUAGE." Modern Technologies and Scientific and Technological Progress 2018, no. 1 (2020): 84–85. http://dx.doi.org/10.36629/2686-9896-2020-2018-1-84-85.

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An example of an implementation of a data collection system based on the Arduino platform and the Python programming language is considered. These systems can be used to automate long-term multiple measurements, as well as subsequent processing of the results of these measurements. Similar systems can find application in young scientists, masters and post-graduate students in their research work while experimentally testing the developed mathematical models and theories.

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Dissertations / Theses on the topic "Measuring instruments - Data processing"

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Derbyshire, John Andrew. "Echo-planar anemometry using conventional magnetic resonance imaging hardware." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364590.

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Grando, Flavio Lori. "Arquitetura para o desenvolvimento de unidades de medição fasorial sincronizada no monitoramento a nível de distribuição." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1762.

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CAPES<br>Este trabalho tem por objetivo o desenvolvimento de uma arquitetura de baixo custo para construção de unidades de medição fasorial sincronizada (PMU). O dispositivo prevê conexão com a baixa tensão da rede elétrica, de forma que, instalada neste ponto do sistema permita o monitoramento da rede de transmissão e distribuição. Os desenvolvimentos deste projeto contemplam uma arquitetura completa, com módulo de instrumentação para uso na baixa tens˜ao da rede, módulo GPS para fornecer o sinal de sincronismo e etiqueta de tempo das medidas, unidade de processamento com sistema de aquisição, estimação de fasores e formatação dos dados de acordo com a norma e, por fim, módulo de comunicação para transmissão dos dados. Para o desenvolvimento e avaliação do desempenho da arquitetura, desenvolveu-se um conjunto de aplicativos em ambiente LabVIEW com funcionalidades específicas que permitem analisar o comportamento das medidas e identificar as fontes de erro da PMU, além de aplicar todos os testes previstos pela norma IEEE C37.118.1. O primeiro aplicativo, útil para o desenvolvimento da instrumentação, consiste em um gerador de funções integrado com osciloscópio, que permite a geração e aquisição de sinais de forma sincronizada, além da manipulação das amostras. O segundo e principal deles, é a plataforma de testes capaz de gerar todos os ensaios previstos pela norma, permitindo também armazenar os dados ou fazer a análise das medidas em tempo real. Por fim, um terceiro aplicativo foi desenvolvido para avaliar os resultados dos testes e gerar curvas de ajuste para calibração da PMU. Os resultados contemplam todos os testes previstos pela norma e um teste adicional que avalia o impacto de ruído. Além disso, através de dois protótipos conectados à instalação elétrica de consumidores de um mesmo circuito de distribuição, obteve-se registros de monitoramento que permitiram a identificação das cargas no consumidor, análise de qualidade de energia, além da detecção de eventos a nível de distribuição e transmissão.<br>This work presents a low cost architecture for development of synchronized phasor measurement units (PMU). The device is intended to be connected in the low voltage grid, which allows the monitoring of transmission and distribution networks. Developments of this project include a complete PMU, with instrumentation module for use in low voltage network, GPS module to provide the sync signal and time stamp for the measures, processing unit with the acquisition system, phasor estimation and formatting data according to the standard and finally, communication module for data transmission. For the development and evaluation of the performance of this PMU, it was developed a set of applications in LabVIEW environment with specific features that let analyze the behavior of the measures and identify the sources of error of the PMU, as well as to apply all the tests proposed by the standard. The first application, useful for the development of instrumentation, consists of a function generator integrated with an oscilloscope, which allows the generation and acquisition of signals synchronously, in addition to the handling of samples. The second and main, is the test platform, with capabality of generating all tests provided by the synchronized phasor measurement standard IEEE C37.118.1, allowing store data or make the analysis of the measurements in real time. Finally, a third application was developed to evaluate the results of the tests and generate calibration curves to adjust the PMU. The results include all the tests proposed by synchrophasors standard and an additional test that evaluates the impact of noise. Moreover, through two prototypes connected to the electrical installation of consumers in same distribution circuit, it was obtained monitoring records that allowed the identification of loads in consumer and power quality analysis, beyond the event detection at the distribution and transmission levels.

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Westrate, Michael P. "Data Mining: Instruments of Measuring Landscape in Centralia Pennsylvania." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337288541.

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Mukun, Wang, Liu Gozhi, and Li Zhenglian. "HARDWARE PRE-PROCESSING FOR DATA OF UNDERWATER MEASURING SYSTEM." International Foundation for Telemetering, 1991. http://hdl.handle.net/10150/612907.

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International Telemetering Conference Proceedings / November 04-07, 1991 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>The synchro double pulse signal mode is freqently used in Short Base Line (SBL) underwater positioning system so as to obtain the information of both distance and depth of a target simultaneously. Howerer, this signal mode also brings about ranging indistinctness resulting in a shorter positioning distance much less than that limited by the period of the synchro signal. This paper presents a hardware distance gate date acquiring scheme. It puts the original data sent to the computer in order of “direct first pulse--depth information pulse (or first pulse reflected by water surface)•••- to guarantee the effective positioning distance of the system. It has the advantage of reducing the processing time of the computer thus ensuring the realtime functioning of the system.

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Young, Chung-Ping. "Digital power metering manifold /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842576.

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Cui, Qingguang. "Measuring data abstraction quality in multiresolution visualizations." Worcester, Mass. : Worcester Polytechnic Institute, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-041107-224152/.

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Pons, Freixes Sergi. "Do-it-yourself instruments and data processing methods for developing marine citizen observatories." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/394078.

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Water is the most important resource for living on planet Earth, covering more than 70% of its surface. The oceans represent more than 97% of the planet total water and they are where more than the 99.5% of the living beings are concentrated. A great number of ecosystems depend on the health of these oceans; their study and protection are necessary. Large datasets over long periods of time and over wide geographical areas can be required to assess the health of aquatic ecosystems. The funding needed for data collection is considerable and limited, so it is important to look at new cost-effective ways of obtaining and processing marine environmental data. The feasible solution at present is to develop observational infrastructures that may increase significantly the conventional sampling capabilities. In this study we promote to achieve this solution with the implementation of Citizen Observatories, based on volunteer participation. Citizen observatories are platforms that integrate the latest information technologies to digitally connect citizens, improving observation skills for developing a new type of research known as Citizen Science. Citizen science has the potential to increase the knowledge of the environment, and aquatic ecosystems in particular, through the use of people with no specific scientific training to collect and analyze large data sets. We believe that citizen science based tools -open source software coupled with low-cost do-it-yourself hardware- can help to close the gap between science and citizens in the oceanographic field. As the public is actively engaged in the analysis of data, the research also provides a strong avenue for public education. This is the objective of this thesis, to demonstrate how open source software and low-cost do-it-yourself hardware are effectively applied to oceanographic research and how can it develop into citizen science. We analyze four different scenarios where this idea is demonstrated: an example of using open source software for video analysis where lobsters were monitored; a demonstration of using similar video processing techniques on in-situ low-cost do-it-yourself hardware for submarine fauna monitoring; a study using open source machine learning software as a method to improve biological observations; and last but not least, some preliminar results, as proof of concept, of how manual water sampling could be replaced by low-cost do-it-yourself hardware with optical sensors.<br>L’aigua és el recurs més important per la vida al planeta Terra, cobrint més del 70% de la seva superfície. Els oceans representen més del 70% de tota l'aigua del planeta, i és on estan concentrats més del 99.5% dels éssers vius. Un gran nombre d'ecosistemes depenen de la salut d'aquests oceans; el seu estudi i protecció són necessaris. Grans conjunts de dades durant llargs períodes de temps i al llarg d’amples àrees geogràfiques poden ser necessaris per avaluar la salut dels ecosistemes aquàtics. El finançament necessari per aquesta recol·lecció de dades és considerable però limitat, i per tant és important trobar noves formes més rendibles d’obtenir i processar dades mediambientals marines. La solució factible actualment és la de desenvolupar infraestructures observacionals que puguin incrementar significativament les capacitats de mostreig convencionals. En aquest estudi promovem que es pot assolir aquesta solució amb la implementació d’Observatoris Ciutadans, basats en la participació de voluntaris. Els observatoris ciutadans són plataformes que integren les últimes tecnologies de la informació amb ciutadans digitalment connectats, millorant les capacitats d’observació, per desenvolupar un nou tipus de recerca coneguda com a Ciència Ciutadana. La ciència ciutadana té el potencial d’incrementar el coneixement del medi ambient, i dels ecosistemes aquàtics en particular, mitjançant l'ús de persones sense coneixement científic específic per recollir i analitzar grans conjunts de dades. Creiem que les eines basades en ciència ciutadana -programari lliure juntament amb maquinari de baix cost i del tipus "fes-ho tu mateix" (do-it-yourself en anglès)- poden ajudar a apropar la ciència del camp oceanogràfic als ciutadans. A mesura que el gran públic participa activament en l'anàlisi de dades, la recerca esdevé també una nova via d’educació pública. Aquest és l’objectiu d’aquesta tesis, demostrar com el programari lliure i el maquinari de baix cost "fes-ho tu mateix" s’apliquen de forma efectiva a la recerca oceanogràfica i com pot desenvolupar-se cap a ciència ciutadana. Analitzem quatre escenaris diferents on es demostra aquesta idea: un exemple d’ús de programari lliure per anàlisi de vídeos de monitoratge de llagostes; una demostració utilitzant tècniques similars de processat de vídeo en un dispositiu in-situ de baix cost "fes-ho tu mateix" per monitoratge de fauna submarina; un estudi utilitzant programari lliure d’aprenentatge automàtic (machine learning en anglès) com a mètode per millorar observacions biològiques; i finalment uns resultats preliminars, com a prova de la seva viabilitat, de com un mostreig manual de mostres d’aigua podria ser reemplaçat per maquinari de baix cost "fes-ho tu mateix" amb sensors òptics.

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Tansley, Natalie Vanessa. "A methodology for measuring and monitoring IT risk." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/772.

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The primary objective of the research is to develop a methodology for monitoring and measuring IT risks, strictly focusing on internal controls. The research delivers a methodology whereby an organization can measure its system of internal controls, providing assurance that the risks are at an acceptable level. To achieve the primary objective a number of secondary objectives were addressed: What are the drivers forcing organizations to better corporate governance in managing risk? What is IT risk management, specifically focusing on operational risk. What is internal control and specifically focusing on COSO’s internal control process. Investigation of measurement methods, such as, Balance Scorecards, Critical Success Factors, Maturity Models, Key Performance Indicators and Key Goal Indicators. Investigation of various frameworks such as CobiT, COSO and ISO 17799, ITIL and BS 7799 as to how they manage IT risk relating to internal control.

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Chapel, Brian Ernie. "Digital disk recorder for geophysics." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24592.

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This thesis describes the design and testing of a floppy disk drive based digital recorder. The device was originally built for a geomagnetic research project, but is also suitable for other phenomena with time scales from fractions of a second to approximately one day. The system is designed specifically to improve the reliability for long-term observing programs and to enhance the efficency of the subsequent data analysis procedures. Using an STD-Z80 BUS microcomputer, under the control of a Forth language program, the recorder stores digital data on removable 8-inch floppy disks. This thesis explicitly addresses the issue of cost and provides the necessary detail for reproduction of the device. A procedure is described for preparing the acquired data for analysis using computing facilities equiped with an appropriate disk reader. Also presented is a quantitative and qualitative evaluation of the recorder's performance when applied to both synthetic and natural signals. The latter include geomagnetically induced currents in power transmission lines.<br>Science, Faculty of<br>Earth, Ocean and Atmospheric Sciences, Department of<br>Graduate

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Michel, Holger [Verfasser]. "Integration of SRAM-FPGAs for Hardware Acceleration of a Data Processing Module for Space Instruments / Holger Michel." München : Verlag Dr. Hut, 2017. http://d-nb.info/1140977784/34.

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Books on the topic "Measuring instruments - Data processing"

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Novoselov, O. N. Osnovy teorii i rascheta informat͡s︡ionno-izmeritelʹnykh sistem. 2-ге вид. "Mashinostroenie", 1991.

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Bakalov, V. P. Optimatizat︠s︡ii︠a︡ mnogomernykh informat︠s︡ionno-izmeritelʹnykh sistem. Nauka, 2009.

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Asadov, Kh G. Sintez odnogo podklassa informat︠s︡ionno-izmeritelʹnykh sistem. Ėlm, 2002.

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Sluiter, P. G. Geodetic dual-frequency GPS receivers under anti-spoofing: Comparison of four receivers for baseline accuracy susceptibility to radio frequency interference noise in the observables. Netherlands Geodetic Commission, 1995.

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Armstrong, A. C. Introduction to data logging. Geo Abstracts for the British Geomorphological Research Group, 1985.

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Wilkins, Larry C. Dimensional gaging: A practical guide for obtaining good data. ERL Press, 1996.

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Gross, Jonathan L. Measuring culture: Aparadigm for the analysis of social organization. Columbia University Press, 1985.

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Klikushin, I︠U︡ N. Identifikat︠s︡ionnye instrumenty analiza i sinteza formy signalov: Monografii︠a︡. OmGTU, 2010.

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1953-, Rayner Steve, ed. Measuring culture: A paradigm for the analysis of social organization. Columbia University Press, 1985.

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Measuring totalproductivity in manufacturing organizations: Algorithms and PC programs. UNIPUB/Kraus International Publications, 1987.

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Book chapters on the topic "Measuring instruments - Data processing"

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Havskov, Jens, and Lars Ottemöller. "Instruments and Waveform Data." In Routine Data Processing in Earthquake Seismology. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8697-6_3.

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Albanese, Massimiliano. "Measuring Trust in Big Data." In Algorithms and Architectures for Parallel Processing. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-03889-6_28.

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Zhou, Xin, Congfeng Jiang, Yeliang Qiu, et al. "Scalability Evaluation of Big Data Processing Services in Clouds." In Benchmarking, Measuring, and Optimizing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32813-9_8.

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Zhang, Chunxi, Yuming Li, Rong Zhang, Weining Qian, and Aoying Zhou. "Benchmarking for Transaction Processing Database Systems in Big Data Era." In Benchmarking, Measuring, and Optimizing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32813-9_13.

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Zakrzewska, Anita, and David A. Bader. "Measuring the Sensitivity of Graph Metrics to Missing Data." In Parallel Processing and Applied Mathematics. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55224-3_73.

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Fedders, Broder Sax. "Determination of the Acoustic Properties of the Sea Floor by Measuring the Angle Dependency of the Reflection Coefficient." In Underwater Acoustic Data Processing. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2289-1_15.

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Liu, Ying, Yongfeng Huang, and Xuanmei Qin. "Measuring Self-monitoring Using Facebook Online Data Based on Snyder’s Psychological Theories." In Neural Information Processing. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70139-4_92.

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Wang, Yu, and Wei Nian. "Research and Verification of Spatial Hyperspectral Data Processing Method." In 4th International Symposium of Space Optical Instruments and Applications. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-96707-3_24.

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Caldari, Marco, Franco Ripa, and Massimo Conti. "A Multiprocessor Platform for Efficient Data Processing in Electronic Musical Instruments." In Lecture Notes in Electrical Engineering. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0638-5_9.

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Fan, Qiangqiang, and Hyoung SungEun. "Fatigue Measuring System Using Wearable Sensor." In 2020 International Conference on Data Processing Techniques and Applications for Cyber-Physical Systems. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1726-3_173.

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Conference papers on the topic "Measuring instruments - Data processing"

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Deng, Shaoyong, Qi Zhang, and Shuhua Yan. "Study of nano-particle measuring system by DLS with developments of optical and data processing system." In Optical Systems and Optoelectronic Instruments. SPIE, 2008. http://dx.doi.org/10.1117/12.805645.

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Dzˇapo, Hrvoje, Zoran Stare, and Nenad Bobanac. "Adaptable Measuring Instrument for Wireless Dynamic Strain Monitoring on Moving Objects." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57955.

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Dynamic strain monitoring provides valuable information about behavior and condition of mechanical parts subjected to the load either under test or realistic working conditions. In many occasions, test points for strain measurement are not easily accessible for temporary or permanent wired connection with standard test and measurement equipment, especially for measurements on moving objects. We developed a configurable portable dynamic strain monitoring system, which is particularly suitable for short-term installations and adaptable for wide range of expected strain values. The high-accuracy measuring module, attached to the test point along with the strain gage sensor, digitizes and transmits measured data over the license-free ISM radio-frequency band to the receiving unit for further signal processing and results representation. The calibration procedure is highly simplified due to the specific design of the input analog measuring chain, which eliminates the need, in several commercially available similar instruments, for manual sensor calibration. The accuracy and the bandwidth of the input measuring chain were optimized to provide means for high quality spectral analysis of acquired dynamic strain waveforms. The system may be simply extended for dynamic torque, power and rotational speed measurements on revolving shafts, by connecting to the inductive proximity switch to the receiver module. Receiving unit also provides means for connection with other test and measurement equipment by standard analog and digital industrial communication protocols (4–20 mA current loop, RS485). The overall system was designed to accommodate to wide variety of test and research applications, as well as monitoring parameter ranges.

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Ozaki, Nobutoshi, Shota Matsui, Toshiki Hirogaki, and Eiichi Aoyama. "Novel State Estimation Method of Surface Chatter Pattern via Image Processing After End Milling." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97805.

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Abstract We studied a new analytical method for determining self-excited chatter vibration at an end mill processing site. When chatter vibration occurs, cutting marks with periodic features called “chatter marks” are generated on the processed surface. We focused on the relationship between the vibration generated during cutting and the roughness of the processed surface. We developed a method to analyze such vibrations, based on the roughness of the finished surface. Instead of using a roughness meter and laser-measuring instrument, which are often used for measuring the contours of a processed surface, we presumed the roughness of the processed surface from image data obtained using a digital camera. As a comparative experiment to verify the proposed method, side cutting with an end mill was performed. Chatter vibrations occurring during the cutting were measured using a displacement sensor and microphone, and compared with the vibration of the tool edge as determined from the processed surface. The chatter frequency read from the processed surface was close to that obtained from the displacement sensor and microphone. Thus, the proposed method can be used to analyze the information of chatter vibration inexpensively and easily. It can serve as a substitute for displacement and acceleration sensors.

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Boehm, Christoph, Robert Brehm, Janek Meyer, Lars Duggen, and Kai Graf. "A Measurement System for Performance Monitoring on Small Sailing Dinghies." In SNAME 21st Chesapeake Sailing Yacht Symposium. SNAME, 2013. http://dx.doi.org/10.5957/csys-2013-011.

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This paper describes a new performance monitoring system for dinghies and small sailing boats, developed in a collaborative project of the Yacht Research Unit Kiel (YRUK) and the Mads Clausen Institute (MCI) of the University of Southern Denmark. The system under development features a complete set of nautical instruments (wind, boat speed and heading, position) as well as dynamic sensors measuring the motion of the dinghy with additional audio and video streams for crew observations. Most sensors are integrated in a small lightweight housing also containing a main processing unit to be mounted on a dinghy. Some external miniaturized sensors (wind and water anemometers) are connected wirelessly. Data and media streams are recorded. Further a telemetry system allows online data transmission to a remote client operated on a coach boat. Analysis software allows the coach to visualize and analyze the performance of the dinghy. Both, the hardware system and the analysis software are presented here including first results from a field trial.

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Gomez-Soriano, Josep, Ricardo Novella, Jorge García-Tíscar, and Carlos Micó. "Improving the specific instrumental soft skill of Aerospace Engineers through a lab experience." In INNODOCT 2020. Editorial Universitat Politècnica de València, 2020. http://dx.doi.org/10.4995/inn2020.2020.11892.

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This paper proposes an educational methodology for the development of the specific instrumental soft skill in Aerospace Engineering degree students. This methodology uses an autonomous and active learning approach to measure, through two different techniques, the local flow velocities around a circular cylinder in a subsonic wind tunnel. The students are directly involved in the complete measuring procedure through practical sessions in a lab, applying directly Hot-Wire Anemometry (HWA) and Particle Image Velocimetry (PIV) techniques, and reporting the analysis of the results after the corresponding data processing. Results show that the proposed lab-based methodology is well received by the students whereas the objective evaluation demonstrates its potential to improve the specific instrumental soft skill acquisition.

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Zhu, Yueqing, Zhili Zhang, and Lilong Tan. "Precise angle-measuring system based on data fusion skill by applying BP neural network." In Instruments (ICEMI). IEEE, 2009. http://dx.doi.org/10.1109/icemi.2009.5274554.

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Sushchenko, O. A., Y. M. Bezkorovainyi, and N. D. Novytska. "Features of Processing Information in Noncollinear Measuring Instruments." In 2019 IEEE 5th International Conference Actual Problems of Unmanned Aerial Vehicles Developments (APUAVD). IEEE, 2019. http://dx.doi.org/10.1109/apuavd47061.2019.8943889.

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Wang, Shengping, Jianhu Zhao, and Aixue Wang. "Software development of marine geomagnetic data processing." In Instruments (ICEMI). IEEE, 2009. http://dx.doi.org/10.1109/icemi.2009.5274036.

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Stroganova, E. P., and S. E. Grichkin. "Generator with Electronic Frequency Tuning for Measuring Instruments." In 2018 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO). IEEE, 2018. http://dx.doi.org/10.1109/synchroinfo.2018.8456990.

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Zhao, Weixin, B. Terry Beck, Robert J. Peterman, and Chih-Hang John Wu. "Development of a 5-Camera Transfer Length Measurement System for Real-Time Monitoring of Railroad Crosstie Production." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2468.

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Knowledge of transfer length during production is critical for maintaining continuous production quality in the modern manufacture of prestressed concrete railroad crossties. Traditional laboratory methods for measuring transfer length, using manual instruments such as a Whittemore mechanical gauge or surface mounted resistance-type strain gauge, are simply not suitable for production operation. They are too time-consuming to implement, require extensive surface preparation, and can also require special operator training to provide accurate and reliable surface strain profiles from which the transfer length can be determined in a post-processing manner. In contrast with earlier manual methods, the newly developed non-contact Laser Speckle Imaging (LSI) technique has been shown to be capable of providing rapid and accurate surface strain measurement and consequently also rapid transfer length assessment. This system has recently been automated and combined with the new Zhao-Lee (ZL) least-squares strain profile fitting technique for quickly and reliably processing surface strain data. The automated system and processing procedure have been shown to provide an improved assessment of transfer length, unhampered by human intervention and subsequent potential human judgment bias. This paper presents recent progress toward the development of a 5-camera non-contact transfer length measurement system that is capable of continuous monitoring of railroad crossties in a production plant. This is made possible using an optimized version of the previously successful LSI system, which minimizes the number of surface strain measurements required to achieve reliable transfer length assessment. Experimental results and analysis will be presented for the latest multi-camera prototype concept for this new system design, demonstrating that only a few discrete surface strain measurements are required to achieve accurate and reliable transfer length assessment. Thus, for the first time it is now possible to envision practical real-time quality control monitoring of railroad crossties during an in-plant production operation.

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Reports on the topic "Measuring instruments - Data processing"

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Thomas, Müller. The 1946 - 1956 Hydrographic Data Archive at the Institut für Meereskunde, Kiel, digitized: a data guide. GEOMAR, 2021. http://dx.doi.org/10.3289/geomar_rep_ns_58_2021.

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This report is thought as a guide to early hydrographic log sheets of bottle data obtained by the former Institut für Meereskunde, Kiel (IFMK, now integrated into GEOMAR) in the post-war years 1946 to 1956, and which in summer 2018 when a building used by GEOMAR was to clear were not available in digitized format at GEOMAR. The data mostly were taken by the research cutter FK “Südfall” in the Baltic. It turned out that some of these data from 1950 to 1956 were available in digitized form at the on-line data bank of the International Council for the Exploration of the Sea (ICES). Comparison with the original logged data sheets, however, showed that they needed to be improved w/r to time and position and to be completed by missing data. This report shortly describes the methods of sampling and measuring these old data, and the processing steps applied to improve the data set by using the data log sheets before archiving and submitting the now improved and complete data set to data centres for archiving.

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Halker Singh, Rashmi B., Juliana H. VanderPluym, Allison S. Morrow, et al. Acute Treatments for Episodic Migraine. Agency for Healthcare Research and Quality (AHRQ), 2020. http://dx.doi.org/10.23970/ahrqepccer239.

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Objectives. To evaluate the effectiveness and comparative effectiveness of pharmacologic and nonpharmacologic therapies for the acute treatment of episodic migraine in adults. Data sources. MEDLINE®, Embase®, Cochrane Central Registrar of Controlled Trials, Cochrane Database of Systematic Reviews, PsycINFO®, Scopus, and various grey literature sources from database inception to July 24, 2020. Comparative effectiveness evidence about triptans and nonsteroidal anti-inflammatory drugs (NSAIDs) was extracted from existing systematic reviews. Review methods. We included randomized controlled trials (RCTs) and comparative observational studies that enrolled adults who received an intervention to acutely treat episodic migraine. Pairs of independent reviewers selected and appraised studies. Results. Data on triptans were derived from 186 RCTs summarized in nine systematic reviews (101,276 patients; most studied was sumatriptan, followed by zolmitriptan, eletriptan, naratriptan, almotriptan, rizatriptan, and frovatriptan). Compared with placebo, triptans resolved pain at 2 hours and 1 day, and increased the risk of mild and transient adverse events (high strength of the body of evidence [SOE]). Data on NSAIDs were derived from five systematic reviews (13,214 patients; most studied was ibuprofen, followed by diclofenac and ketorolac). Compared with placebo, NSAIDs probably resolved pain at 2 hours and 1 day, and increased the risk of mild and transient adverse events (moderate SOE). For other interventions, we included 135 RCTs and 6 comparative observational studies (37,653 patients). Compared with placebo, antiemetics (low SOE), dihydroergotamine (moderate to high SOE), ergotamine plus caffeine (moderate SOE), and acetaminophen (moderate SOE) reduced acute pain. Opioids were evaluated in 15 studies (2,208 patients).Butorphanol, meperidine, morphine, hydromorphone, and tramadol in combination with acetaminophen may reduce pain at 2 hours and 1 day, compared with placebo (low SOE). Some opioids may be less effective than some antiemetics or dexamethasone (low SOE). No studies evaluated instruments for predicting risk of opioid misuse, opioid use disorder, or overdose, or evaluated risk mitigation strategies to be used when prescribing opioids for the acute treatment of episodic migraine. Calcitonin gene-related peptide (CGRP) receptor antagonists improved headache relief at 2 hours and increased the likelihood of being headache-free at 2 hours, at 1 day, and at 1 week (low to high SOE). Lasmiditan (the first approved 5-HT1F receptor agonist) restored function at 2 hours and resolved pain at 2 hours, 1 day, and 1 week (moderate to high SOE). Sparse and low SOE suggested possible effectiveness of dexamethasone, dipyrone, magnesium sulfate, and octreotide. Compared with placebo, several nonpharmacologic treatments may improve various measures of pain, including remote electrical neuromodulation (moderate SOE), magnetic stimulation (low SOE), acupuncture (low SOE), chamomile oil (low SOE), external trigeminal nerve stimulation (low SOE), and eye movement desensitization re-processing (low SOE). However, these interventions, including the noninvasive neuromodulation devices, have been evaluated only by single or very few trials. Conclusions. A number of acute treatments for episodic migraine exist with varying degrees of evidence for effectiveness and harms. Use of triptans, NSAIDs, antiemetics, dihydroergotamine, CGRP antagonists, and lasmiditan is associated with improved pain and function. The evidence base for many other interventions for acute treatment, including opioids, remains limited.

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