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Dissertations / Theses on the topic 'Coordinate system'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Lluch, Daniel Cutuli. "Analysis of the Out-of-Control Falling Leaf Motion using a Rotational Axis Coordinate System." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/37055.

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The realm of aircraft flight dynamics analysis reaches from local static stability to global dynamic behavior. It includes aircraft performance issues as well as structural concerns. In the particular aspect of dynamic motions of an aircraft and how we understand them, an alternate coordinate system will be introduced that will lend insight and simplification into the understanding of these dynamic motions. The main contribution of this coordinate system is that one can easily visualize how the instantaneous velocity vector relates to the instantaneous rotation vector, the angular rate vect

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Fuente, C. de la. "High accuracy coordinate determination using Global Positioning System." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384790.

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Baliga, Roshan Bantwal 1981. "Rapid coordinate system creation and mapping using Crickets." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/26718.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (leaves 55-56).<br>In this thesis, I describe a system that lays the foundation for context-aware applications. This system allows a user to set up a reference coordinate system in a room, using three Cricket listeners attached to a wooden frame. The system then assigns coordinates to Cricket

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4

Garrett, Travis Marshall Evans Charles Ross. "Simulating binary inspirals in a corotating spherical coordinate system." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,1112.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Mar. 27, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Physics and Astronomy." Discipline: Physics and Astronomy; Department/School: Physics and Astronomy.

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Asli, Kilic. "Coordinate Systems For A Naval Virtual Environment." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606465/index.pdf.

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The purpose of this thesis is implementing World Geodetic System (WGS) for Naval Surface Tactical Maneuvering Simulation System (NSTMSS), a High Level Architecture (HLA) based naval simulation, and also implementing body coordinate system for the ships of NSTMSS and its combination with WGS so that NSTMSS can be more accurate, and new ship dynamics models can be integrated to the NSTMSS environment more easily. To improve the coordinate system of NSTMSS these methods were used<br>World Geodetic System - 1984 (WGS 84) was chosen as the reference system of new coordinate system of NSTMSS and c

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Yang, Qingping. "A hig precision probe system for three dimensional coordinate measurement." Thesis, Brunel University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339317.

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7

Lehman, Li-wei H. 1965. "PCoord : a decentralized network coordinate system for Internet distance prediction." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/31134.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2005.<br>Includes bibliographical references (p. 163-168).<br>Several recently emerged Internet services make use of application-level or overlay networks. Examples of such services include overlay multicast, structured peer-to- peer lookup services, and peer-to-peer file sharing. Many of these services could benefit from enabling participating end hosts to estimate their relative network locations within the overlay. In this thesis, we present PCoord, a peer-to-peer network coordinate system

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Francis, Gerald. "An Algorithm and System for Measuring Impedance in D-Q Coordinates." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/26462.

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This dissertation presents work conducted at the Center for Power Electronics Systems (CPES) at Virginia Polytechnic Institute and State University. Chapter 1 introduces the concept of impedance measurement, and discusses previous work on this topic. This chapter also addresses issues associated with impedance measurement. Chapter 2 introduces the analyzer architecture and the proposed algorithm. The algorithm involves locking on to the voltage vector at the point of common coupling between the analyzer and the system via a PLL to establish a D-Q frame. A series of sweeps are performed, inje

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9

Loh, Ming Hock. "Systematic modelling of a three-axes, non-contact coordinate measurement system." Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/47553/.

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A coordinate measurement machine (CMM) is an advanced, multi-purpose quality control system used to help inspection keep pace with modern production requirements. These machines can provide repeatable dimensional and geometric accuracy (micro- or nano-metre accuracy) of everything from small engine blocks, to sheet metal parts, to circuit boards. However, their performance may degrade when subjected to different forms of external disturbances, including geometric, kinematic, thermal and dynamic forces. By studying the influences of these disturbances, the impact on the machine measuring accura

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MAISANO, DOMENICO AUGUSTO FRANCESCO. "Design and development of a new large-scale metrology system: MScMS (Mobile Spatial coordinate Measuring System)." Doctoral thesis, Politecnico di Torino, 2008. http://hdl.handle.net/11583/2544537.

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This thesis arises from the research activity developed at the Industrial Metrology and Quality Engineering Laboratory of DISPEA – Politecnico di Torino, on a new system prototype for dimensional measurement, called Mobile Spatial coordinate Measuring System (MScMS). MScMS determines dimensional features of large-size objects and has been designed to overcome some limits shown by other widespread measuring sets used nowadays, like Coordinate Measuring Machines (CMMs), theodolites/tacheometers, photogrammetry equipments, GPS based systems, Laser Trackers. Basing on a distributed sensor networks

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11

Fishbaugh, James. "Development of a Higher-Order Ice Sheet Model Using a Rescaled Coordinate System." The University of Montana, 2008. http://etd.lib.umt.edu/theses/available/etd-05302008-101724/.

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The Intergovernmental Panel on Climate Change (IPCC) has estimated between 9 and 88 cm of sea level rise over the next hundred years. Of this, only negative 19 to 11 cm is attributed to the largest ice masses on the planet, the Antarctic and Greenland ice sheets. Over the last decade, dramatic activity in the outlet glaciers of Greenland and the Antarctic Peninsula raise the possibility that these large ice sheets will have a much greater contribution to sea level rise over the next century than was predicted by the IPCC. Recent studies have shown these areas are exhibiting decadal scale chang

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Velu, Srinivasa Perumal. "Development of perfectly matched layer numerical boundary condition in a generalized coordinate system." Diss., Wichita State University, 2013. http://hdl.handle.net/10057/10618.

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The research activity leading to this dissertation focused on the boundary treatment for computational fluid dynamics problems, especially those with unbounded domains. This involved a rigorous literature survey of boundary treatment techniques. The primary interest of this effort was on one of the emerging concepts of nonreflecting boundary treatment for numerical schemes, namely the perfectly matched layer (PML) absorbing technique. The need for an appropriate space-time transformation for a stable PML emphasized in previous efforts was the starting point for this developmental research acti

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El-Gohary, Ahmed M. "Real-time three dimensional coordinate measurement and analysis : system design, implementation and testing." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328154.

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Pierce, Janine E. (Janine Elizabeth) 1980. "Coordinate system dependence of muscle forces predicted using optimization methods in musculoskeletal joints." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/27119.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (p. 143-147).<br>Optimization methods are widely used to predict in-vivo muscle forces in musculoskeletal joints. Moment equilibrium at the joint center (usually defined as the origin of the joint coordinate system) has been used as a constraint condition for optimization procedures and the joint reaction moments were assumed to be zero. This research project, through the use of a three-dimensional elbow model, investigated the effect of joint center location on m

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Barr, Michael. "The Influence of the Projected Coordinate System on Animal Home Range Estimation Area." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5343.

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Animal home range estimations are important for conservation planning and protecting the habitat of threatened species. The accuracy of home range calculations is influenced by the map projection chosen in a geographic information system (GIS) for data analysis. Different methods of projection will distort spatial data in different ways, so it is important to choose a projection that meets the needs of the research. The large number of projections in use today and the lack of distortion comparison between the various types make selecting the most appropriate projection a difficult decision. Th

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Gustavsson, Per, and Erica Gavefalk. "Design and evaluation of a system that coordinate clients to use the same server." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138420.

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This thesis present a system which examine when clients should select a new server to maximize the number of packets received with the fewest number of server selections. The ratio between the number of packets received and the number of server selections should therefore be as high as possible. To help minimize the number of server selections, the system should be adaptive if the conditions would change. We construct a server selection mechanism which guarantees agreement between clients when called upon by the system. Furthermore, four policies have been created for when the mechanism is to

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Li, Yong. "A high speed optical surface coordinate measurement system and its applications to dynamic measurements." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0029/NQ64605.pdf.

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Li, Yong 1965 May 3. "A high speed optical surface coordinate measurement system and its applications to dynamic measurements /." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36639.

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Currently there is no standard whole-field methodology to measure the transient out-of-plane deformation of a surface under dynamic events. In this work, a whole-field high-speed optical surface measurement system has been developed, which yields absolute Cartesian coordinates (xyz) as measurement results. A high-speed digital camera coupled with the grating projection and Fourier transform is used to measure 3D surface deformations with the maximum sampling rate up to 1000 Hz and the exposure time of each frame up to 50 musec. A calibration technique has been utilized to convert the direct me

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Terneux, Efrén Andrés Estrella. "Design of an Algorithm for Aircraft Detection and Tracking with a Multi-coordinate VAUDEO System." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2633.

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The combination of a video camera with an acoustic vector sensor (AVS) opens new possibilities in environment awareness applications. The goal of this thesis is the design of an algorithm for detection and tracking of low-flying aircraft using a multi-coordinate VAUDEO system. A commercial webcam placed in line with an AVS in a ground array are used to record real low-flying aircraft data at Teuge international airport. Each frame, the algorithm analyzes a matrix of three orthogonal acoustic particle velocity signals and one acoustic pressure signal using the Singular Value Decomposition to es

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Scott, Laurence Joseph. "Numerical modelling of tidal propagation in the Severn Estuary using a boundary-fitted coordinate system." Thesis, University of Salford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360436.

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Backeberg, Bjorn Christoph. "Modelling the mesoscale variability in the greater Agulhas Current system using hybrid coordinate Ocean model." Doctoral thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/6458.

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The ocean circulation dynamics in the greater Agulhas Current system are dominated by mesoscale variability, which is highly non-linear, and therefore difficult to measure and simulate accurately. Moreover, the shedding of Agulhas rings from the retroflection south of Africa, which is the dominant mechanism by which warm and saline water flows from the Indian into the Atlantic Ocean, is thought to be a crucial component of the thermohaline circulation. With the goal of providing an accurate simulation of the greater Agulhas Current system, and in particular its mesoscale variability, a high re

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Swintara, Wanwassa. "The Accuracy With Which Condylar Points Can Be Expressed In The Coordinate System Of Jaws3D." Thesis, Faculty of Dentistry, 1998. http://hdl.handle.net/2123/5122.

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Kopeček, Tomáš. "Nalezení fyzické pozice stanice v síti Internet." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218230.

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In this thesis I focus on finding the position of computers on the Internet. This need for locating computers originated in the last several years through the creation of overlay networks. For this activity there are many algorithms. This paper describes the King method that estimated the distance between communicating stations by using the domain name system. The aim of this work is to verify the accuracy of the King method in experimental PlanetLab network. This network provides access for more than 1000 stations worldwide.

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Lee, Joo-Kiong. "Radiowave propagation over an irregular terrain using the parabolic equation method in a curvilinear coordinate system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA297694.

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Flötotto, Julia. "A coordinate system associated to a point cloud issued from a manifold : definition, properties and applications." Nice, 2003. http://www.theses.fr/2003NICE4040.

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Dans de nombreux domaines d'applications, une variété plongée dans l'espace euclidien est souvent représentée par un échantillon de points. Nous définissons dans cette thèse un système de coordonnées associé à un tel échantillon sur la variété qui généralise les coordonnées naturelles définies par Sibson. Nous exhibons ses propriétés mathématiques fondamentales ainsi que son application à l'interpolation d'une fonction définie sur la variété. Nous introduisons la notion d'atlas de Voronoi͏̈, défini comme un ensemble de cellules approximant le diagramme de Voronoi͏̈ restreint à la variété et mo

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Manat, Namith N. "System for Tracking of Surgical Tools and Assessment of Surgical Skills Using Continuously Adaptive Mean Shift Methodology." VCU Scholars Compass, 2005. http://scholarscompass.vcu.edu/etd_retro/56.

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A tracking system that serves as a tool for tracking the movement of surgical instruments has been developed. The system tracks color markers on the surgical instruments. The Continuously Adaptive Mean Shift (CAMSHIFT) methodology was employed for tool tracking and a total distance traversed by the surgical instrument of interest was calculated. Two cameras were used to record the motion of the tool and the software developed was used to track the movement of markers on the tools over subsequent frames. The information thus derived from the two views of cameras was used to calculate the three

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Mani, Saandeep. "In Vitro Biomechanical Characterization of Tibiofemoral Rotations and Translations Following Distal Bony Realignment." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1280155331.

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MIYABO, Susumu, Toru NAKAMURA, Yasushi ISHII та ін. "極座標による心筋Tｌ-201Bull's-eye表示の試み". 日本核医学会, 1988. http://hdl.handle.net/2237/19427.

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Kaden, Roman, Harald Rasche, and Frieder Tonn. "Orientierung eines untertägigen Polygonzugnetzes im Lagebezug ETRS89/UTM." Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2016. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-206654.

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Im Rahmen einer Diplomarbeit wurden 2015 die untertägigen Polygonzugnetze der Gruben Unterbreizbach/Merkers der K+S KALI GmbH im Lagebezug ETRS89/UTM neu orientiert und Ergebnisse verschiedener Messepochen ausgeglichen. Für die Schaffung eines weiteren Anschlusspunktes erfolgten zur Koordinatenübertragung im Schacht Merkers 2 eine mechanische Schachtlotung und eine Steilschachtmessung nach dem Verfahren von Mecke/Ackermann aus dem Jahr 2002. Die Methoden werden gegenübergestellt und die erreichten Genauigkeiten diskutiert<br>Within the framework of a diploma thesis the underground mining coord

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Volakos, Nikolaos Panagiotou. "Numerical modelling of wind-induced circulation and pollution transport in the Thermaikos Gulf using a curvilinear coordinate system." Thesis, University of Salford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249011.

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Liu, Chia-Sheng, and 劉佳昇. "Coordinate System and Warp for Drosophila Brain." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/13807361882991690200.

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碩士<br>國立交通大學<br>多媒體工程研究所<br>97<br>We study the problem of warping Drosophila brains to a normalized fly brain. In this thesis, we define a coordinate system for the Drosophila brain. Based on the coordinate system, we define a size-normalized brain. Every fly brain is normalized before warping. The warping is based on the feature points determined by the neuropils in the brain. Experimental results show that a brain can be warped to the target brain with the internal structures and the hull of the brain almost aligned.

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Zhu, Zi Li, and 朱自立. "A novel automatic coordinate synchronizing fixturing system." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/22921418764651912213.

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Tai, Cheng-Lin, and 戴呈霖. "Coordinate Measurement System by Using Two Cameras." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/47588806423838680879.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>92<br>This paper presents a new method of coordinate measurement system by using two cameras. Instead of pinhole model, the parameters of this system are calibrated by using skew ray tracing method based on Snell’s law, and the model of coordinate measurement is built utilizing reversal skew ray tracing to trace light rays from image plane to 3-D world. Skew ray tracing is a theory derived from a 4×4 homogeneous coordinate transformation matrix and the Snell’s law of the geometrical optics. It offers a mathematical model of the direction of refracted (reflected)

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Hong, Zi Xiu, and 洪子修. "The research on coordinate synchronizing fixturing system." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/65770153480850264449.

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Cheng, Chao-Ming, and 鄭兆銘. "Exploring Parallel Coordinate System and Statistical Application." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/21205977680308878990.

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Zheng, Zhao-Ming, and 鄭兆銘. "Exploring Parallel Coordinate System and Statistical Application." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/97631236941589897275.

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Liao, Yuan-Hsien, and 廖元賢. "Moving Coordinate System of Erosional Sublayer Flows." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/11216713633492962026.

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碩士<br>國立暨南國際大學<br>土木工程學系<br>98<br>According to the manual definition of conversation of water and soil, Landslides is the mixtures of such materials as mud, sand and water. Under the gravitational form and redistribution of internal stress states. Due to change of geological and topological coordinate, the materials are transported over complex topography. We aim to extends the concept of Fracarrolo & Capart[2002] and combine the characteristic of Unified Coordinate System to establish a new Sub-layer model on general topography including corrosion and accumulation in this thesis. Its upper l

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Chang, Tsung-Tai, and 張驄泰. "Sharing Document Management System Coordinate with Knowledge Management." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/51844751369388420285.

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碩士<br>國立海洋大學<br>系統工程暨造船學系<br>90<br>A proverbial saying, 「Knowledge Is Power」, which is familiar to ear from childhood. Now, it comes true again and it is still changeless even though passes through the time-test. After the 3rd industry revolution, the economy type has been changed to national economy. National games are starting, 「Knowledge」is the key that makes economy being succeeded. A great mass fervor has been raised from government organization、enterprise to individual and a great favor caused by Internet mushroomed. Community activities become frequently in network and from social civic

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Hor, Chiou-Yi, and 何秋誼. "Study of Calibration System of Coordinate Measuring Machine." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/06296961731318529357.

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碩士<br>國立臺灣大學<br>機械工程學系<br>85<br>This paper describes the development of efficient and cost- efficientself-calibration method for coordinate measuring machines. A new designing and manufacturing method for ball- plate is proposed here.In order to calculate 21 volumetric errors,a new computational alothorithm based on 3D volumetric length uncertainty is also presented. The software compensaton scheme for CMM is employed to maintian the accuracy of the CMM.It has been proved to maintain

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Chang, Yu-Luw, and 張友倫. "The Development of the Intelligent Coordinate Measuring System." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/76427181148423716962.

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碩士<br>崑山科技大學<br>機械工程研究所<br>96<br>This dissertation is to research how to use the Coordinate Measuring System instrument properly in the Quality Control and Production Control. The main aims are: 1. To choose some drawings from AutoCAD diagram with important dimension and geometric common difference in each processing stage to make the inspection sheet for the Coordinate Measuring System. To set up the inspection standard in order to avoid excerpting the wrong values during inspect procedure. To install the transducer on the three axis of the Coordinate Measuring System, check the head coordin

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Ji, Hong. "Development of a novel optical contact probing system for nano-CMM." 2008. http://arrow.unisa.edu.au:8081/1959.8/79344.

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This thesis describes the development and the verification of a novel micro probe system for high accurancy downscaled Coordinate Measuring Machines (CMMs).<br>Thesis (PhD)--University of South Australia, 2008.

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Cheng, Ssu-Min, and 鄭斯民. "The Improvement of Coordinate Parameters for Global Position SystemThe Improvement of Coordinate Parameters for Global Position System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86358452394840872553.

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碩士<br>國立高雄應用科技大學<br>電子工程系<br>99<br>GPS positioning in Taiwan is not easy because of the topography and urban density issues. Using GPS positioning and digital maps, it always takes lots of time to locate the position. If the traffic information could be transmitted to other vehicles while driving, the application of GPS could be enlarged. In this thesis, we use add direction and speed parameter of coordinates for AIS concept which is applied to improve the accuracy of the Global Positioning System (GPS). The research send the information to the positioned target by Bluetooth, and keep calculat

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Wu, Po-Wei, and 巫柏葳. "Use HTH Coordinate-System to Optimize Kinect Motion Recognition." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/g3hwz9.

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碩士<br>中原大學<br>電機工程研究所<br>102<br>Abstract In this thesis, we propose a method to optimize the motion recognition of skeleton. We used horizontal-correction and smoothing to reduce the noise and to increase the accuracy of recognition. Moreover, we defined motion by coordinate system on human body to simplify the motion recogniztion and make it more efficiently. There are four steps in our thesis. The first step introduces structure of recognition system including depth measurement, the calculation of horizontal displacement, the optimization of skeletal noise and the definition of coordinate

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Huang, De-Shau, and 黃德劭. "Numerical Simulation of Turbulent Flow Using Curvilinear Coordinate System." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/37739017233343968069.

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碩士<br>國立臺灣大學<br>機械工程研究所<br>81<br>The complex geometries and turbulent flow are usually encountered in engineering application , for example , kindey- shape combustor , diffuser e.t.c. Numerical methods predicting fluid flow are restricted by the complex geometries , because it is difficult to treat boundary of irregular configurations . Therefore , nonorthogonal coordinate system has been developed rapidly . The velocity components can be classified into the contravariant and covariant velo

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Huang, De-Shao, and 黃德劭. "Numerical simulation of turbulent flow using curvilinear coordinate system." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/20583503291721175297.

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Cheng, Yung-Cheng, and 鄭詠成. "Camera-Guided Coordinate System Alignment for Neuromagnetic Source Estimation." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/10482472811741449981.

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碩士<br>國立陽明大學<br>衛生資訊與決策研究所<br>93<br>Coordinate system alignment is usually performed by localizing a set of coils attached to the subject's head in both the coordinate systems of the head and a whole-head neuromagnetometer device. This conventional approach may cause instability of neuronal source localization when the estimated coil positions are not stable or when the coils are not tightly attached. This article presents a new coordinate system alignment technique without using coils. Instead, the proposed method utilizes a calibrated camera to monitor feature points attached to the subject'

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Shai, Whuang Ching, and 黃清帥. "Precision Coordinate Measurement By Using Binocular Stereo Vision System." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/83609442246307099123.

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碩士<br>國立成功大學<br>機械工程學系<br>87<br>In this thesis, a binocular stereo vision system is designed to measure a 3-D surface coordinates. Instead of pin-hole model, the skew ray tracing is utilized to investigate the geometric relations between the images of cameras and the 3-D surface. The overall accuracy and resolution of each camera are also investigated by the sensitivity analysis. A calibration method is proposed to eliminate the effect of systematic errors. The theory of this measurement system and an experimental model founded on it was then built. The performance of this experimental model w

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Cheng, Chia Wen, and 鄭嘉文. "System Software Development of micro/nano Coordinate Measuring Machines." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/89791666972004901388.

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碩士<br>南台科技大學<br>化學工程與材枓工程系<br>95<br>In these days, the hardware of measurement has gotten lots of improvement. The demand on high precision is also gradually on the rise. Therefore, the test of measurement is highly emphasized. Now it is not easy to move the massive size of a Coordinate Measuring Machines(CMM). With the increasing of high precision, the price of the machine is getting higher. Therefore, the main purpose of the study is to develop a portable CMM with low cost and micro/nano precision to be used in the industry and research units. The CMM software is written for Borland C++

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Cheng, Cheng-Te, and 鄭正德. "Boundary-Fitted Coordinate System Applied to a Surge Model." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/80535586289294973594.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>90<br>BOUNDARY-FITTED COORDINATE SYSTEM APPLIED TO A STORM SURGE MODEL CHENG-TE CHENG ABSTRACT Taiwan is located between sub-tropic and tropic regions. There are about three or four typhoons attacked Taiwan every year. A typhoon carries a large amount of water, and strong wind. It causes many life casualties and property loses. On the typhoon path, coastal water level rises compared with original tide. It is important to forecast storm surge at river mouth section and coastal areas. A storm surge is strongly needed. Astron

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Li, Guo-Cai, and 李國財. "A Scalable Sensor Network Using a Polar Coordinate System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/39249677352623650421.

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碩士<br>東海大學<br>資訊工程與科學系<br>95<br>Due to the quick development of chip design and antenna manufacturing techniques, wireless facilities, such as wireless sensors, have become significantly smaller and cheaper than before. Their usage has also consequently been widely enriched, such as in the areas of healthcare and forest monitoring. A wireless sensor network (WSN) is often used to monitor a specific environment for a specific purpose. However, how to effectively utilize the limited resources in a sensor, also in a WSN, is crucial. In a WSN, geographical information is usually employed to locate

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