Relevant bibliographies by topics / A set of positional coordinates

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'A set of positional coordinates'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "A set of positional coordinates"

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Herrera Martínez, Luis Alberto, and Jhon Henry Fonseca Piedrahita. "Differences in geographical coordinates of minefields in Colombia according to their acquisition method." Revista Logos Ciencia & Tecnología 15, no. 2 (2023): 33–48. http://dx.doi.org/10.22335/rlct.v15i2.1742.

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The scourge of explosive devices such as landmines, improvised explosive devices and unexploded ordnance, a product of armed conflicts in several countries around the world, has set a great precedent in the violation of fundamental human rights. In Colombia, the efforts of the government and NGOs to reduce their effects have succeeded in clearing minefields of more than 8 million square metres and destroying more than 7000 explosive devices. The standards for finding and clearing minefields (Confirmed Hazardous Areas - CHAs) include the determination of geographical coordinates (Latitude and L
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Herrera Martínez, Luis Alberto, and Jhon Henry Fonseca Piedrahita. "Differences in geographical coordinates of minefields in Colombia according to their acquisition method." Revista Logos Ciencia & Tecnología 15, no. 2 (2023): 33–48. http://dx.doi.org/10.22335/rlct.v15i2.17342.

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The scourge of explosive devices such as landmines, improvised explosive devices and unexploded ordnance, a product of armed conflicts in several countries around the world, has set a great precedent in the violation of fundamental human rights. In Colombia, the efforts of the government and NGOs to reduce their effects have succeeded in clearing minefields of more than 8 million square metres and destroying more than 7000 explosive devices. The standards for finding and clearing minefields (Confirmed Hazardous Areas - CHAs) include the determination of geographical coordinates (Latitude and L
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GOUDARZI, Mohammad Ali, and René Jr LANDRY. "ASSESSING HORIZONTAL POSITIONAL ACCURACY OF." Geodesy and cartography 43, no. 2 (2017): 56–65. http://dx.doi.org/10.3846/20296991.2017.1330767.

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The horizontal positional accuracy of Google Earth is assessed in the city of Montreal, Canada, using the precise coordinates of ten GPS points spatially distributed all over the city. The results show that the positional accuracy varies in the study area between ∼0.1 m in the south to ∼2.7 m in the north. Furthermore, two methods are developed for correcting the observed positional errors: (a) using a set of transformation parameters between true coordinates of the geodetic points and their coordinates in Google Earth, and by (b) interpolating the misfit vectors at the geodetic points. The fo
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Ayodele, E. G., C. J. Okolie, and O. A. Mayaki. "An Assessment of the Reliability of the NIGNET Data." March 2019 3, no. 1 (2019): 18–29. http://dx.doi.org/10.36263/nijest.2019.01.0097.

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The Nigerian Geodetic Reference Frame is defined by a number of Continuously Operating Reference Stations (CORS) that constitute the Nigerian GNSS Network (NIGNET). NIGNET is essential for planning and national development with the main goal of ensuring consistency in the geodetic framework both nationally and internationally. Currently, the strength of the network in terms of data reliability has not been adequately studied due to the fact that research into CORS in Nigeria is just evolving, which constitutes a limitation in its applications. Therefore, the aim of this research is to explore
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Zulkifli, Nur Adilla, Ami Hassan Md Din, Wan Anom Wan Aris, and Zheng Yong Chien. "DIFFERENCES BETWEEN 2009 AND 2016 REVISIONS BASED ON COORDINATES IN GDM2000." Journal of Information System and Technology Management 6, no. 24 (2021): 161–73. http://dx.doi.org/10.35631/jistm.624017.

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The Geocentric Datum of Malaysia (GDM200) is realised with respect to International Terrestrial Reference Frame (ITRF) 2000 at epoch 2nd January 2000. In comparison with the 2000 frame, ITRF2014 has significant improvement in terms of its definition and realisation. Moreover, several great earthquakes that struck the Indonesian region for the past decades have deformed the tectonic plate, resulting in a shifted GDM2000. These earthquakes, followed by post-seismic activities, has caused GDM2000 to become obsolete. Following that, the Department of Survey and Mapping Malaysia (DSMM) has taken th
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Sun, Shu Hua. "Analysis of Position for the 4-PUU Parallel Manipulator." Applied Mechanics and Materials 220-223 (November 2012): 1757–60. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1757.

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An original 4-PUU parallelManipulator with three-dimensional translations and one rotational motion about Z axis was presented. Its positional inverse modals were set up by using the conversion of coordinates and projection in analytic geometry, and the method of the forward solution of theManipulator and corresponding numerical examples were given.This methods were verified by using MATLAB software,which can provide the basis for studying the parallel robots work space. And it has wide application in the fields of industrial robots, micromanipulators, virtual axis machine tools, damping platf
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Torbinio, Claudio. "Positional Triage: geotagging and geographic information system (GIS)." Confronto professionale 2, no. 2 (2013): 100.

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The combination of GPS services [1] and information technology is increasing with the use of geotagging services [2] now present by default in many devices such as smartphones [3], cell phones and cameras. A phone camera, properly enabled, can take pictures and embed GPS coordinates of position in the metadata [4] of the resulting image file. Have recently also been set up online services such as Foursquare [5], Flickr [6], Twitter [7], directed to or geocaching geotagging [8]. This feature has significant effects on the deep and personal safety and the products and projects that are useful to
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Čeh, Gielsdorf, Trobec, Krivic, and Lisec. "Improving the Positional Accuracy of Traditional Cadastral Index Maps with Membrane Adjustment in Slovenia." ISPRS International Journal of Geo-Information 8, no. 8 (2019): 338. http://dx.doi.org/10.3390/ijgi8080338.

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The main purpose of this research is to evaluate the improvement in positional accuracy (PAI) of cadastral boundary points’ coordinates through the adjustment of a large set of digital cadastral index maps of rural regions based on traditional Franciscan-origin maps of heterogeneous geometric quality. The distribution of residuals of local coordinates of reference points onto the as yet unconnected neighboring points is researched. In this article, we use the adjustment method based on neighborhood transformation with a mechanical membrane model deriving from Hooke’s Law and consider a general
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Antonenkova, Tat'yana Vladimirovna. "Technological bases: concept and problems of formation." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2022, no. 2 (2022): 21–32. http://dx.doi.org/10.24143/2073-1574-2022-2-21-32.

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The task of achieving the required accuracy of the positional relationship of the part surfaces, as a rule, is solved at the stage of manufacturing the engineering products. Basing is a procedure associated with the orientation of surfaces in the process of processing a part or assembling a product in order to meet the specified conditions of positional relationship. The practical interpretations of the principles of the basing theory do not allow to find the sound solutions to the key problems that arise in the course of basing. The presented analysis of the interpretations of the concepts us
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Shmutter, B., and Y. Doytsher. "Matching a set of digitized cadastral maps." CISM journal 46, no. 3 (1992): 277–84. http://dx.doi.org/10.1139/geomat-1992-0029.

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Errors inherent in the digitizing process inevitably lead to variations in the locations of boundaries of neighboring cadastral blocks. It then becomes necessary to adjust the digitized data to compensate for discrepancies and discontinuities in the digitized cadastral information. For this purpose it is proposed that a procedure commonly used in aerial triangulation be adopted. Each map is regarded as an equivalent to a single photograph and a set of neighboring maps as a photogrammetric block. A system of appropriate equations is formed to adjust the “block”. Points lying on boundaries of ad
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Dissertations / Theses on the topic "A set of positional coordinates"

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Пархоменко, Максим Вікторович, Максим Викторович Пархоменко та Maksim Viktorovych Parkhomenko. "Метод кодування для підвищення бітової швидкості динамічного відеоресурсу в інформаційних системах". Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/48933.

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У дисертаційній роботі вирішена актуальна науково-прикладна задача щодо підвищення бітової швидкості динамічного відеоресурсу в інформаційно-телекомунікаційних системах в процесі управління об’єктами критичної інфраструктури. Виявлено проблемні недоліки існуючих концепцій побудови стандартизованих ІТОДВ. Проведено обґрунтування того, що для удосконалення ІТОДВ пропонується використовувати технологічний підхід, який базується на обробці послідовності кадрів ДВІР з використанням структурнокомбінаторного підходу, який враховує наявність значної кількості відповідної міжкадрової надмірності. Нада
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Yang, Jing. "Visual hierarchical dimension reduction." Link to electronic thesis, 2002. http://www.wpi.edu/Pubs/ETD/Available/etd-0109102-132821.

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Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: hierarchy; sunburst; dimension reduction; high dimensional data set; multidimensional visualization; parallel coordinates; scatterplot matrices; star glyphs. Includes bibliographical references (p. 86-91).
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Gledel, Valentin. "Couverture de sommets sous contraintes." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1130.

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Cette thèse porte sur le problème de la couverture d'ensembles finis dans une structure discrète. Cette problématique très générale permet de nombreuses approches et nous faisons l'étude de certaines d'entre elles. Le premier chapitre introduit les notions qui seront indispensables à la bonne compréhension de cette thèse et fait un bref état de l'art sur certains problèmes de couvertures, en particulier le problème de domination dans les graphes. Le second chapitre aborde la domination de puissance, une variante du problème de domination qui a la particularité qu'on lui adjoint un phénomène de
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Surmeli, Gulsen. "Positional Coordinates for Spinal Sensory-Motor Connectivity." Thesis, 2012. https://doi.org/10.7916/D80V8KS1.

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One of the essential requirements for accurate functioning of the nervous system is that synaptic connections are formed and neural circuits are assembled with precision. Two major contributors to the establishment of selective synapse formation are thought to be the positional and molecular identities of neurons. In many instances, the fine-grained precision of synaptic connectivity is thought to occur through a process of molecular recognition that depends on the interaction of complementary recognition molecules expressed on pre- and post-synaptic partners. However, the lack of experimental
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Li, Hung-Da, and 李宏達. "Study Towards Horizontal Positional Dilution of Precision (HPDOP) and The Coordinates Transformation of Digitized Cadastral Maps." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/21185409950417463943.

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碩士<br>逢甲大學<br>環境資訊科技碩士學位學程<br>97<br>Graphical cadastral maps are expanded, shrunk, and deformed after those are used for a few ten years. In order to avoid deterioration, all graphical maps were digitized at the end of year 2005. Backward intersection with a few measurements on map plays an important role in the transformation, people seldom, however, discuss it in details. The rules of the selection of surveyed landmarks are outlined in this paper. The coordinates of control station had better be backward intersected at least with the surveyed landmarks at two directions, otherwise the coor
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Roszmann, Jordan Douglas. "Simulation and growth of cadmium zinc telluride from small seeds by the travelling heater method." Thesis, 2016. http://hdl.handle.net/1828/7347.

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The semiconducting compounds CdTe and CdZnTe have important applications in high-energy radiation detectors and as substrates for infrared devices. The materials offer large band gaps, high resistivity, and excellent charge transport properties; however all of these properties rely on very precise control of the material composition. Growing bulk crystals by the travelling heater method (THM) offers excellent compositional control and fewer defects compared to gradient freezing, but it is also much slower and more expensive. A particular challenge is the current need to grow new crystals onto
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Books on the topic "A set of positional coordinates"

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Surmeli, Gulsen. Positional Coordinates for Spinal Sensory-Motor Connectivity. [publisher not identified], 2012.

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Watson, Charles, and George Paxinos. Rat Brain in Stereotaxic Coordinates - the New Coronal Set. Elsevier Science & Technology Books, 2004.

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Watson, Charles, and George Paxinos. The Rat Brain in Stereotaxic Coordinates - The New Coronal Set, Fifth Edition. Academic Press, 2004.

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Watson, Charles, and George Paxinos. The Rat Brain in Stereotaxic Coordinates - The New Coronal Set, Fifth Edition. 5th ed. Academic Press, 2004.

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Ślusarski, Marek. Metody i modele oceny jakości danych przestrzennych. Publishing House of the University of Agriculture in Krakow, 2017. http://dx.doi.org/10.15576/978-83-66602-30-4.

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The quality of data collected in official spatial databases is crucial in making strategic decisions as well as in the implementation of planning and design works. Awareness of the level of the quality of these data is also important for individual users of official spatial data. The author presents methods and models of description and evaluation of the quality of spatial data collected in public registers. Data describing the space in the highest degree of detail, which are collected in three databases: land and buildings registry (EGiB), geodetic registry of the land infrastructure network
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Müller, Henriette, and Ingeborg Tömmel, eds. Women and Leadership in the European Union. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780192896216.001.0001.

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This volume is the first comprehensive analysis of women’s ascendance to leadership positions in the European Union (EU) as well as their performance in such positions. It provides a new theoretical and analytical framework capturing both positional and behavioral leadership and the specific hurdles that women encounter on their path to and when exercising leadership. The volume encompasses a detailed set of single and comparative case studies, analyzing women’s representation and performance in the core EU institutions and their individual pathways to and exercise of power in top-level functi
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Baloh, Robert W. Schuknecht’s Temporal Bone Bank in Boston. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190600129.003.0018.

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When Harold Schuknecht arrived at Harvard in 1961, he immediately set up a temporal bone laboratory and began collecting specimens. Schuknecht obtained two specimens from patients with a typical clinical picture of benign paroxysmal positional vertigo (BPPV). In these specimens, Schuknecht identified a prominent granular basophilic staining mass attached to the cupula of the left posterior semicircular canal. Based on his findings, Schuknecht coined the term “cupulolithiasis” (“stones on the cupula”) to explain the clinical syndrome of BPPV. He assumed that substances having a specific gravity
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Brunet-Jailly, Emmanuel, ed. Border Disputes. ABC-CLIO, 2015. http://dx.doi.org/10.5040/9798400620751.

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An ideal resource for anyone studying current events, social studies, geopolitics, conflict resolution, and political science, this three-volume set provides broad coverage of approximately 80 current international border disputes and conflicts. Border disputes are a common source of political instability and military conflict around the globe, both in the present day and throughout history.Border Disputes: A Global Encyclopediawill serve as an invaluable resource for students studying social studies, political science, human geography, or related subjects. Each volume of this expansive encycl
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Raimondi, Fabio. Political History of the Florentine Institutions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198815457.003.0004.

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The history explored in this chapter focused on the Florentine Histories allows us to understand the concepts and proposals for the political reform of Florence that Machiavelli advanced in the Discursus and the Minuta and which were different to any constitution in the past. Analysing the struggles that animated Florence from 1215 to 1512, Machiavelli revealed the different constitutions that emerged from the struggles, struggles that the constitutions partially caused and partially attempted to neutralize. Underlining the defects of the past constitutions of the city, he set out the two main
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Mann, Peter. Constrained Lagrangian Mechanics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198822370.003.0008.

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This chapter builds on the previous two chapters to tackle constrained systems, using Lagrangian mechanics and constrained variations. The first section deals with holonomic constraint equations using Lagrange multipliers; these can be used to reduce the number of coordinates until a linearly independent minimal set is obtained that describes a constraint surface within configuration space, so that Lagrange equations can be set up and solved. Motion is understood to be confined to a constraint submanifold. The variational formulation of non-holonomic constraints is then discussed to derive the
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Book chapters on the topic "A set of positional coordinates"

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Merino, Mikel, Javier Ibarrola, Jokin Aginaga, and Mikel Hualde. "AI Training for Application to Industrial Robotics: Trajectory Generation for Neural Network Tuning." In Proceedings of the XV Ibero-American Congress of Mechanical Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-38563-6_59.

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AbstractIn the present work robot trajectories are generated and kinematically simulated. Different data (joint coordinates, end effector position and orientation, images, etc.) are obtained in order to train a neural network suited for applications in robotics. The neural network has the goal of automatically generating trajectories based on a set of images and coordinates. For this purpose, trajectories are designed in two separate sections which are conveniently connected using Bezier curves, ensuring continuity up to accelerations. In addition, among the possible trajectories that can be c
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Gatti, Fabien, Benjamin Lasorne, Hans-Dieter Meyer, and André Nauts. "Choosing the Set of Coordinates for the Nuclei." In Lecture Notes in Chemistry. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53923-2_5.

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Min, Zhe, Li Liu, and Max Q. H. Meng. "Generalized Non-rigid Point Set Registration with Hybrid Mixture Models Considering Anisotropic Positional Uncertainties." In Lecture Notes in Computer Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32254-0_61.

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Figueroa-García, Juan Carlos, Eduyn Ramiro López-Santana, and Carlos Franco-Franco. "A Note About the (x, y) Coordinates of the Centroid of a Fuzzy Set." In Communications in Computer and Information Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00350-0_7.

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Grano, Simona A. "China-US Strategic Competition: Impact on Small and Middle Powers in Europe and Asia." In China-US Competition. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15389-1_1.

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AbstractThe present introductory chapter shall set the stage for the edited volume by broadly sketching the contours of the intense strategic competition between China and the United States and its potential to reshape Asia–Pacific and the world order. Briefly, this chapter will also allude to the future probable fallouts of the Russian invasion of Ukraine and its potential for redrawing geopolitical coordinates and allegiances, for the countries that are in the focus of the present volume.
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Wang, Yue, Qingling Li, Guoqing Liu, et al. "The Ground-State Potential Energy Surface of F-Li2 Polymer." In Proceeding of 2021 International Conference on Wireless Communications, Networking and Applications. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2456-9_111.

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AbstractThe first three-dimensional potential energy surface (PES) for the ground-state of F-Li2 polymer by CCSD(T) method were present. Two Jacobi coordinates, R and θ and the frozen molecular equilibrium geometries were used. We mixed basis sets aug-cc-pCVQZ for the Li atom and aug-cc-pCVDZ for the F atom, with an additional (3s3p2d) set of midbond functions. The total of about 365 points were generated for the PES. Our ab initio calculations were consistent with the experimental data very well.
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Atintono, Samuel Awinkene, Dorothy Agyepong, and Promise Kpoglu. "Chapter 3. A comparative study of the basic locative construction in Gurenɛ, Asante-Twi, and Tongugbe." In Studies in Language Companion Series. John Benjamins Publishing Company, 2024. http://dx.doi.org/10.1075/slcs.235.03ati.

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The chapter examines the basic locative construction (BLC) in three Niger Congo languages spoken in Ghana: Gurenɛ, Asante-Twi and Tongugbe, and discusses the semantics of the verbs that occur within the construction. Using data elicited with a similar set of locative verb stimuli, we demonstrate that the languages differ in the number and type of verbs that occur in the BLC. While Asante-Twi and Gurenɛ employ mostly positional verbs in the BLC, Tongugbe, similar to the other Ewe varieties, uses the locative predicate. Constructionally, the BLCs in all three languages are similar, that is, each
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Oertel, Gerhard. "Finite Strain." In Stress and Deformation. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195095036.003.0010.

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Before dealing with finite strain, we demonstrate an important property of the determinant of a three by three matrix the rows of which are vectors. The result can be used to calculate the volume of a general parallelepiped (a solid bounded by parallelograms). The following problems also introduce the concept of dual position vectors, an original set, ai, and a final set, xi, where one set is a function of the other. This concept may alternatively be taken to produce two distinct cartesian coordinate systems, a concept used throughout this chapter. The description of a transformation from coor
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Furbish, David Jon. "Fluids and Porous Media as Continua." In Fluid Physics in Geology. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195077018.003.0006.

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Let us anticipate that we wish to treat fluids as continuous substances at a microscopic scale. To see the motivation for this, it is instructive to consider the possibility of describing fluid behavior at a molecular scale by making use of Lagrangian mechanics to track the behavior of each molecule, just as we would describe the ballistics of a moving, rigid body. Consider describing the state of a simple diatomic molecule at some instant; to do this, we must decide what minimum set of coordinates completely specifies the position and configuration of the molecule. For example, we must specif
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Kuchitsu, Kozo. "The potential energy surface and the meaning of internuclear distances." In Accurate Molecular Structures. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198555568.003.0002.

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Abstract The theoretical framework for the concept of molecular structure is based on the Born-Oppenheimer approximation (Born and Oppenheimer 1927; Ballhausen and Hansen 1972). Except in the case of strong vibronic interaction, the electronic motion is solved for a set of fixed nuclear positions; the electronic wavefunction contains the molecule-fixed nuclear coordinates as parameters, instead of variables, because the influence of the momentum of the nuclear motion operating on the electronic wavefunction is ignored. The electronic energy in a certain electronic state, represented as a funct
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Conference papers on the topic "A set of positional coordinates"

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Vasilca, Doina, and Oana-Mihaela Biscoveanu. "ALGORITHM FOR THE TRANSFORMATION OF THE COORDINATES NEEDED TO SET OBJECTIVES EXTENDING OVER LARGE AREAS." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/2.1/s09.21.

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Constructions extending over large areas or distances raise problems regarding their setting out, because these elements are determined in the official projection of Romania, namely the 1970 Stereographic map projection. For the territory of our country, this produces distortions from -25 cm/km to approximately +64 cm/km in terms of distances and between -5 sq. m/ha and +12.76 sq. m/ha in terms of areas, depending on the distance from the projection pole and, implicitly, from the circle of zero distortions. For them to be applied on the ground, the coordinates should be calculated in a local p
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Mellace, Claudio, Antonio Gugliotta, Tariq Sinokrot, and Ahmed A. Shabana. "Simulations of Dynamic Braking of Railroad Vehicles Using Trajectory Coordinates." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34016.

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One of the important issues associated with the use of the trajectory coordinates in railroad vehicle simulations is the ability of such coordinates in dealing with braking and traction scenarios. In existing specialized railroad computer algorithms, the trajectory coordinates instead of the absolute Cartesian coordinates are often used. In these algorithms, track coordinate systems that travel with constant speeds are employed to define the configuration of the components in railroad vehicle systems. As the result of using a prescribed motion for these track coordinate systems, the simulation
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Garci´a-Vallejo, D., J. L. Escalona, J. Mayo, J. Domi´nguez, and A. A´lvarez. "Describing Rigid-Flexible Multibody Systems Using Natural and Absolute Nodal Coordinates." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48328.

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This paper deals with the dynamic description of interconnected rigid and flexible bodies. The absolute nodal coordinate formulation is used to describe the motion of flexible bodies and natural coordinates are used to describe the motion of the rigid bodies. The absolute nodal coordinate formulation is a non-incremental finite element procedure specially suitable for the dynamic analysis of flexible bodies exhibiting rigid body motion and large deformations. Nodal coordinates, that include global position vectors and global slopes, are all defined in a global inertial coordinate system. The a
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Müller, Andreas. "Singularity-Free Lie Group Integration of Multibody System Models Described in Absolute Coordinates." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-68186.

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Abstract A classical approach to the modeling of multibody systems (MBS) is to use absolute coordinates, i.e. a set of (redundant) coordinates that describe the absolute position and orientation of the individual bodies w.r.t. to an inertial frame (IFR). A well-known problem for the time integration of the equations of motion (EOM) is the lack of a singularity-free parameterization of spatial motions, which is usually tackled by using unit quaternions. Lie group integration methods were proposed as alternative approach to the singularity-free time integration. Lie group methods are inherently
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Kissel, Alexandra, Luning Fang, and Dan Negrut. "Using Velocity Partitioning in the rA Formulation to Solve the Equations of Constrained Multibody Dynamics." In ASME 2023 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/detc2023-116950.

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Abstract In mechanical systems, formulating the equations of motion in absolute coordinates results in a set of index-3 differential algebraic equations (DAEs). In this work, we present an approach to solving the DAE problem by partitioning the velocities in the system into dependent and independent coordinates, thereby reducing the problem to an ordinary differential equations (ODEs) problem. The independent coordinates are integrated directly, while the dependent coordinates are recovered through the kinematic constraint equations at the position and velocity levels. Notably, Lie group integ
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Orzechowski, Grzegorz, Aki M. Mikkola, and José L. Escalona. "Co-Simulation Procedure for Multibody Reeving Systems." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-86422.

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In this paper, co-simulation procedure for a multibody system that includes reeving mechanism will be introduced. The multibody system under investigation is assumed to have a set of rigid bodies connected by flexible wire ropes using a set of sheaves and reels. In the co-simulation procedure, a wire rope is described using a combination of absolute position coordinates, relative transverse deformation coordinates and longitudinal material coordinates. Accordingly, each wire rope span is modeled using a single two-noded element by employing an Arbitrary Lagrangian-Eulerian approach.
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Kuznetsov, V., and Yu Chernetenko. "Determination of the mass of asteroid (16) Psyche and masses of other asteroids of the taxonomic class M by the dynamic method." In Modern astronomy: from the Early Universe to exoplanets and black holes. Special Astrophysical Observatory of the Russian Academy of Sciences, 2024. https://doi.org/10.26119/vak2024.146.

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We use the dynamical method of estimation of the mass of perturbing asteroid by its gravitation influence on test asteroids. The positional observations of test asteroids from Minor Planet Center database and Focus Product Release of Gaia cosmic telescope are employed. The calculation of coordinates of perturbing planets is based on the ephemeris DE440. The set of test asteroids is used for estimation of perturbing mass. This set was collected by error of the mass of the perturbing asteroid for each test object. The number of test asteroids was selected particularly for each estimated mass. Fo
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Ilieva, Tamara. "DEVELOPMENT OF INDOOR POSITIONING SYSTEM, BASED ON LEAFLET MAP, GEOLOCATION AND WI-FI POSITION ESTIMATION WITH ACCURACY ASSESSMENT." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/2.1/s08.21.

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Indoor positioning systems have a wide variety of applications. They can be used to see and track user location, for real-time navigation and others. They are usually developed for a specific building or set of buildings and may use different positioning techniques to meet the user needs in terms of accuracy and budget constraints. For the current study free and open source data is used for development of the base map � OpenStreetMap and Leaflet library. The data for specific building is added, as the floor plans are transformed to GeoJSON format. As positioning techniques, in this case, geolo
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Potosakis, Nikolaos, Elias Paraskevopoulos, and Sotirios Natsiavas. "Numerical Integration of a New Set of Equations of Motion for Mechanical Systems With Scleronomic Constraints." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46619.

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Some new theoretical and numerical results are presented on the dynamic response of a class of mechanical systems with equality motion constraints. At the beginning, the equations of motion of the corresponding unconstrained system are presented, first in strong and then in a weak form. Next, the formulation is extended to systems with holonomic and/or nonholonomic constraints. The formulation is based on a new set of equations of motion, represented by a system of second order ordinary differential equations (ODEs) in both the coordinates and the Lagrange multipliers associated to the motion
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Mikheev, Gennady, Dmitry Pogorelov, Oleg Dmitrochenko, and Raju Gandikota. "Flexible Multibody Approaches for Dynamical Simulation of Beam Structures in Drilling." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35113.

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Two approaches for simulation of dynamics of complex beam structures such as drill strings are considered. In the first approach, the drill string is presented as a set of uniform beams connected via force elements. The beams can undergo arbitrary large displacements as absolutely rigid bodies but its flexible displacements due to elastic deformations are assumed to be small. Flexibility of the beams is simulated using the modal approach. Thus, each beam has at least twelve degrees of freedom: six coordinates define position and orientation of a local frame and six modes are used for modeling
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Reports on the topic "A set of positional coordinates"

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Hu, Guorong, and John Dawson. Determination of GDA94 coordinates for eighty-four stations of GPSnet in Victoria using the October 2012 GPS data set. Geoscience Australia, 2014. http://dx.doi.org/10.11636/record.2014.008.

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Mathew, Jijo K., Haydn Malackowski, Yerassyl Koshan, et al. Development of Latitude/Longitude (and Route/Milepost) Model for Positioning Traffic Management Cameras. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317720.

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Traffic Incident Management (TIM) is a FHWA Every Day Counts initiative with the objective of reducing secondary crashes, improving travel reliability, and ensuring the safety of responders. Agency roadside cameras play a critical role in TIM by helping dispatchers quickly identify the precise location of incidents when receiving reports from motorists with varying levels of spatial accuracy. Reconciling position reports that are often mile-marker based with cameras that operate in a Pan-Tilt-Zoom (PTZ) coordinate system relies on dispatchers having detailed knowledge of hundreds of cameras an
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Brown, Dustin, Jitinder Kohli, and Samantha Mignotte. TOOLS AT THE CENTRE OF GOVERNMENT:RESEARCH AND PRACTITIONERS' INSIGHTS. People in Government Lab, 2021. http://dx.doi.org/10.35489/bsg-peoplegov-ri_2021/002.

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In this paper, the authors look at how the 'centre of government' (defined as "the people and organisations that support the head of government as the ‘guardians of overall strategic direction of government’, which often includes the president’s or prime minister’s offices as well as Cabinet, budget offices, etc") can add value from their position and with the tools available to them. The COVID-19 pandemic has highlighted the critical role not just of government generally, but in particular the essential role the centre of government must play to coordinate, communicate with the public, and na
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Anderson, Erika, and Dominic Chalmers. The Shifting Locus of Authoritative Advice for Gen-Z and Their Financial Lives: An Opportunity for the Credit Union Sector? University of Glasgow and University of Strathclyde, 2025. https://doi.org/10.36399/gla.pubs.349744.

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Gen Z are reshaping the way financial advice is sought and acted upon. Moving away from traditional sources like family, banks, and financial advisors, younger generations are turning to social media platforms like TikTok and Instagram, where financial influencers —“finfluencers”— offer accessible, though often unregulated, advice. While this shift has democratized financial education, it has also introduced significant risks to advice-seekers, including misinformation, high-risk investment recommendations, and a lack of regulatory oversight. For Credit Unions, this transformation presents cha
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Madrzykowski, Daniel, and Craig Weinschenk. Understanding and Fighting Basement Fires. UL Firefighter Safety Research Institute, 2018. http://dx.doi.org/10.54206/102376/etsa5492.

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Many firefighters have been injured or killed while trying to extinguish a basement fire or a fire on a level below them. Prior research has shown basement fires present a high risk to firefighters. This risk stems from unexpected floor collapse and high heat. Prior research also indicated the tools that firefighters have traditionally used to determine the structural integrity of the floor offer little value with lightweight construction. Past experiments in small basements have indicated that the most effective method of fighting a basement fire may be from the exterior of the building. This
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Galili, Naftali, Roger P. Rohrbach, Itzhak Shmulevich, Yoram Fuchs, and Giora Zauberman. Non-Destructive Quality Sensing of High-Value Agricultural Commodities Through Response Analysis. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7570549.bard.

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The objectives of this project were to develop nondestructive methods for detection of internal properties and firmness of fruits and vegetables. One method was based on a soft piezoelectric film transducer developed in the Technion, for analysis of fruit response to low-energy excitation. The second method was a dot-matrix piezoelectric transducer of North Carolina State University, developed for contact-pressure analysis of fruit during impact. Two research teams, one in Israel and the other in North Carolina, coordinated their research effort according to the specific objectives of the proj
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