Academic literature on the topic 'Coordinate system'

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Journal articles on the topic "Coordinate system"

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Shrestha, Kalyan Gopal. "An Approach to Determine Coordinate Transformation Parameter for Nepal GPS Network." Journal on Geoinformatics, Nepal 10 (June 30, 2011): 9–13. http://dx.doi.org/10.3126/njg.v10i0.23187.

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The Surveying and Mapping community now has the benefit of 3-dimensional coordinates at the centimeter level, through the Global Positioning System (GPS). The reference frame for GPS, World Geodetic System of 1984 (WGS84), within which a user ascertains these coordinates is essentially geocentric. All coordinated data and mapping in Nepal are based on a non-geocentric coordinate system known as the Everest Datum of 1830. This paper tries to present a practical approach to define transformation parameters between the two coordinate systems for Nepal.
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Lei, Kin, Dongxu Qi, and Xiaolin Tian. "A New Coordinate System for Constructing Spherical Grid Systems." Applied Sciences 10, no. 2 (January 16, 2020): 655. http://dx.doi.org/10.3390/app10020655.

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In astronomy, physics, climate modeling, geoscience, planetary science, and many other disciplines, the mass of data often comes from spherical sampling. Therefore, establishing an efficient and distortion-free representation of spherical data is essential. This paper introduces a novel spherical (global) coordinate system that is free of singularity. Contrary to classical coordinates, such as Cartesian or spherical polar systems, the proposed coordinate system is naturally defined on the spherical surface. The basic idea of this coordinate system originated from the classical planar barycentric coordinates that describe the positions of points on a plane concerning the vertices of a given planar triangle; analogously, spherical area coordinates (SACs) describe the positions of points on a sphere concerning the vertices of a given spherical triangle. In particular, the global coordinate system is obtained by decomposing the globe into several identical triangular regions, constructing local coordinates for each region, and then combining them. Once the SACs have been established, the coordinate isolines form a new class of global grid systems. This kind of grid system has some useful properties: the grid cells exhaustively cover the globe without overlapping and have the same shape, and the grid system has a congruent hierarchical structure and simple relationship with traditional coordinates. These beneficial characteristics are suitable for organizing, representing, and analyzing spatial data.
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Zhang, X., J. Zhang, L. Zhang, and J. Liu. "ANALYSIS OF COMMON QUALITY PROBLEMS IN COORDINATE TRANSFORMATION BETWEEN REFERENCE COORDINATE SYSTEM AND GEOCENTRIC COORDINATE SYSTEM." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 5, 2019): 1281–86. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-1281-2019.

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<p><strong>Abstract.</strong> In the working of the existing reference coordinate system transformed into the coordinate system of the geocentric coordinate system, many experts and scholars have in-depth research on the transformation methods such as geodetic control point results (including GNSS base station coordinates, GNSS control point coordinates, triangle point coordinates), basic geographic information data results (including DLG, DOM, DEM, DRG, DSM, etc.) and other spatial information data. On the basis of these studies, many provinces and cities have completed the coordinate system transformation of surveying and mapping results in China. This paper expounds the method of transforming the existing reference coordinate system into the geocentric coordinate system, summarizes and sorts out the common quality problems in the process of different data and different methods, and analyses the causes of the problems and the impact on the transforming results. Based on the above work, The paper provides reference and suggestions for the transforming work, which is aimed to improve the transformation quality in the future.</p>
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Vinogradov, A. V. "Establishment of local coordinate systems in the transition to the geodetic system of coordinates of GSK-2011." Geodesy and Cartography 929, no. 11 (December 20, 2017): 2–10. http://dx.doi.org/10.22389/0016-7126-2017-929-11-2-10.

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Pretty before long there will be transition to the geodetic system of coordinates of GSK-2011. For the transition period it is necessary to develop a method of recalculating coordinates from one system to another. The existing methods of recalculating coordinates are designed for recalculating coordinate points of state geodetic networks (GGS) and geodetic local networks (GSS). For small areas (administrative districts, populated areas) simplified methods are more acceptable. You need to choose the resampling methods that can be applied in small businesses, performing surveying works. The article presents the the results of calculations of changes of coordinates of the same point in GSK-2011 and SC-95 in six-degree zones of Gauss projection. It was found that in each region values of the shifts changed to small ones. Therefore, it is possible to convert the coordinates of the points by the simplified formulae. For recalculation from the coordinates of GSK-2011 in SK-95 or local coordinate system (WCS) of the administrative district it is necessary to find the origin of coordinates, scale value and rotation of the coordinate axes. The error of the conversion shall not exceed 0,001 m. The coordinates of the initial point of the local coordinate system relative to the central meridian of the local coordinate system shall be added in the list of parameters of the transition from local coordinate system to the state one.
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Nagy, Benedek, and Khaled Abuhmaidan. "A Continuous Coordinate System for the Plane by Triangular Symmetry." Symmetry 11, no. 2 (February 9, 2019): 191. http://dx.doi.org/10.3390/sym11020191.

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The concept of the grid is broadly used in digital geometry and other fields of computer science. It consists of discrete points with integer coordinates. Coordinate systems are essential for making grids easy to use. Up to now, for the triangular grid, only discrete coordinate systems have been investigated. These have limited capabilities for some image-processing applications, including transformations like rotations or interpolation. In this paper, we introduce the continuous triangular coordinate system as an extension of the discrete triangular and hexagonal coordinate systems. The new system addresses each point of the plane with a coordinate triplet. Conversion between the Cartesian coordinate system and the new system is described. The sum of three coordinate values lies in the closed interval [−1, 1], which gives many other vital properties of this coordinate system.
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Zhao, Yun Peng, and Nan Li. "Research on Coordinate System Transformation in Flexible Rope FEA." Advanced Materials Research 753-755 (August 2013): 1785–89. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1785.

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This paper focuses on the transform relationships between each element and between elements with inertial system under different attitude coordinate system in the finite element multi-body system mechanical analysis of the flexible rope process. It mainly research the attitude coordinate transformation matrix between the of flexible rope Micro-element and inertial system under the four coordinate system which are the direction cosine coordinates, finite rotation four element coordinates, Euler angle coordinate and Cardan angle coordinates, and the relationship between the connecting base on the element type and inertial reference based.
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Shanurov, G. A., and A. D. Manilova. "Mobile scanning complex positioning accuracy depending on the coordinate systems used." Geodesy and Cartography 919, no. 1 (February 20, 2017): 13–17. http://dx.doi.org/10.22389/0016-7126-2017-919-1-13-17.

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Inertial coordinate system and geodetic (terrestrial) coordinate system are used in processing of results of topographic survey, carried out with a mobile scanning complex. Mobile scanning complex geodetic coordinates, in turn, are presented in geodetic three-dimensional rectangular coordinate system form, in geodetic ellipsoidal coordinate system form and in the form of coordinates on a geodetic projection plane. The results of research, carried out earlier [4–7], suggest that the coordinate transformation on large areas distorts geodetic points coordinates. The article presents the results of similar investigations, but applied to a local area, limited by a mobile scanning complex surveying area. The accuracy of the mobile scanning complex coordinates is characterized by the mobile scanning complex coordinates errors cofactor matrix. It turned out that the local site sequential coordinate transformation procedure from one coordinate system to another coordinate system does not introduce any distortion into the mobile scanning complex coordinates.
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Zhang, Ke Wei, and Yun Qing Zhang. "Self-Adaptation of Natural-Coordinate System." Applied Mechanics and Materials 367 (August 2013): 286–91. http://dx.doi.org/10.4028/www.scientific.net/amm.367.286.

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A self-adaptation method for natural-coordinate systems is proposed, in order to automate the selection of natural coordinates for each rigid element of a multibody system. The four-step method includes: First, find out all empty positions, which come from the feature points or vectors of the joints attached to the element, and give equal weight to them; second, delete redundant empty positions and add their weight to the unique one; third, select at most four empty positions which have a maximum total weight and can be occupied by a natural-coordinate system at the same time; fourth, the standard natural-coordinate system on the element can adapt itself to the selected empty positions, leading to an actual natural-coordinate system, which contains twelve rational natural coordinates for the element. The implementation of the method has been achieved on a multibody dynamics and motion analysis platform, InteDyna, with the result that modeling efficiency is enhanced and model quality improved.
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Song, Sha Jia, and Neng He. "Digital Image Processing and Coordinate Transformation for Vic-3D System." Applied Mechanics and Materials 333-335 (July 2013): 1002–6. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.1002.

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This paper discusses the problem about the processing of the images collected by Vic-3D measurement system and the coordinate transformation between the pixel coordinate and plane coordinate. Correlation analysis on image information is carried out by using Matlab. Template matching method is used to get the pixel coordinates of the marked part on the images. Based on affine transformation and least square method, I transform the pixel coordinates of the marked part on the images into the plane coordinates.
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Obidenko, V. I. "The methodology of geodetic supporting Russian Federation digital economy." Geodesy and Cartography 954, no. 12 (January 20, 2020): 42–55. http://dx.doi.org/10.22389/0016-7126-2019-954-12-42-55.

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In the article the researches on developing modern methodology of supporting the national program “Digital economy of the Russian Federation” with geospatial data and, first of all, its base component, the systems of coordinate support are presented. As the main sentences of upgrading coordinate support it is offered to pass to kinematic model of evolution of coordinates in the state coordinate system GSK-2011 completely. The coordinates in this model are to be given to the consumer not on some separate instants (an initial epoch of installation of a coordinate system, an epoch of the last adjustment etc.), but for the current date, using a federal network of differential geodetic stations as the main tool for implementing this methodology. In order to avoid inconveniences of application the reference system for practical operations (as the coordinates are time-dependent), it is offered to use the additional coordinate system, “fixed” to an appropriate tectonic plate, spun round Euler’s pole within the state reference system GSK-2011.
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Dissertations / Theses on the topic "Coordinate system"

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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 vector of the aircraft. The out-of-control motion known as the Falling Leaf will be considered under the light of this new coordinate system. This motion is not well understood and can lead to loss of the aircraft and crew. Design guidelines will be presented to predict amplitude and frequency of the Falling Leaf. NOTE: (12/2009) An updated copy of this ETD was added after there were patron reports of problems with the file.
Master of Science
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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.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (leaves 55-56).
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 beacons, which are placed on the ceiling. Finally, by using the frame in conjunction with a laser range finder, the user can generate a map of the room in the reference coordinate system, complete with features including doors, walls, and windows. This thesis also describes necessary changes we implemented that made the Cricket positioning system much more accurate.
by Roshan Bantwal Baliga.
M.Eng.
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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.
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
World Geodetic System - 1984 (WGS 84) was chosen as the reference system of new coordinate system of NSTMSS and coordinates were transformed to Universal Transverse Mercator (UTM) Coordinate System. Also, the terrains which NSTMSS uses created in OpenFlight (FLT) format with UTM map projection method. In addition to this, Ship Body Coordinate System was implemented as a Cartesian coordinate system. This thesis has achieved improved coordinate systems for the NSTMSS environment to increase the realism of the simulation.
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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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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.
Includes bibliographical references (p. 163-168).
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 for overlay topology discovery and distance prediction. The goal of PCoord is to allow participating peer nodes in an overlay network to collaboratively construct an accurate geometric model of the overlay network topology in a completely decentralized peer-to-peer fashion. We evaluate the PCoord approach through extensive simulations using both real network measurements and simulated topologies. Our simulation results indicate that PCoord can embed hosts in a low dimensional Euclidean model with a small median prediction error.
by Li-wei H. Lehman.
Ph.D.
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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, injecting at least two independent angles in the D-Q plane, acquiring D- and Q-axis voltages and currents for each axis of injection at the point of interest. Chapter 3 discusses the analyzer hardware and the criteria for selection. The hardware built ranges from large-scale power level hardware to communication hardware implementing a universal serial bus. An eight-layer PCB was constructed implementing analog signal conditioning and conversion to and from digital signals with high resolution. The PCB interfaces with the existing Universal Controller hardware. Chapter 4 discusses the analyzer software. Software was written in C++, VHDL, and Matlab to implement the measurement process. This chapter also provides a description of the software architecture and individual components. Chapter 5 discusses the application of the analyzer to various examples. A dynamic model of the analyzer is constructed, considering all components of the measurement system. Congruence with predicted results is demonstrated for three-phase balanced linear impedance networks, which can be directly derived based on stationary impedance measurements. Other impedances measured include a voltage source inverter, Vienna rectifier, six-pulse rectifier and an autotransformer-rectifier unit.
Ph. D.
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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 accuracy can be understood. The research work described in this thesis investigates two important aspects of machine accuracy of a newly developed coordinate measurement machine. The Small Coordinate Measuring Machine (SCMM) consists of a non-contact laser displacement probe supported on three mutually perpendicular (X, Y & Z) axes. The geometric and kinematic errors, which have been shown to account for more than two-thirds of the machine errors, of the SCMM were studied. A mathematical model has been proposed and incorporates geometric, kinematic and orientation errors of the probe that may have been introduced during the assembly process. Using the Renishaw performance measurement system, the error components of each individual carriage were diagnosed. The resulting study of these errors provided a better understanding of the performance of these positioning carriages. The mathematical model was also able to show the extent of the positioning errors of the carriages and the combined volumetric error of the SCMM. The second part of this research investigated the influence of drift on the probe output. This study aimed to demonstrate the magnitude of these environmental changes and the impact it has on the stability of the output of the non-contact, laser displacement probe. System Identification has been used to identify the correlation of the drift in the output of the probe and the changes reflected in the environment. A linear, 3rd order AutoRegressive model with eXogeneous input (ARX) has been chosen based on its merits. The results obtained from both the mathematical and linear models were eventually applied to a practical measurement problem, leading to a significant improvement in the measurement accuracy.
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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 changes in response to climate forcings, whereas IPCC models show that ice is not responsive to climate change over such short periods of time. Many believe the IPCC type models fail to show short term climate responses due to the simplifications they make to ice sheet mechanics. Here, we develop a higher-order model -- a new ice sheet model which contains all relevant flow physics. In order to gauge our progress, we perform a verification of our model around a structured set of experiments. The analysis reveals our model is performing well over a range of different scenarios.
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Books on the topic "Coordinate system"

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Stem, James E. State plane coordinate system of 1983. [Washington, D.C.]: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Charting and Geodetic Services, 1990.

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Lieske, Jay H., and Victor K. Abalakin, eds. Inertial Coordinate System on the Sky. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0613-6.

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Stem, James E. State plane coordinate system of 1983. Rockville, MD: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Charting and Geodetic Services, 1989.

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A hierarchical coordinate system for geoprocessing and cartography. Berlin: Springer, 1999.

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Whitehorn, Kenneth L. The Minnesota County Coordinate System: A handbook for users. St. Cloud, Minn: Precision Measuring Systems, 1997.

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Chen, Shyh-ching. Three-dimensional adaptive grid generation for body-fitted coordinate system. [Washington, DC]: National Aeronautics and Space Administration, 1988.

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Chen, Shyh-ching. Three-dimensional adaptive grid generation for body-fitted coordinate system. [Washington, DC]: National Aeronautics and Space Administration, 1988.

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Cunningham, James. WGS 84 coordinate validation and improvement for the NIMA and Air Force GPS tracking stations. [St. Louis, Mo: National Imagery and Mapping Agency, 1996.

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AUTOCOM '89 (1989 Dearborn, Mich.). AUTOCOM '89: June 5-8, 1989, Dearborn, Michigan ; Precision Metrology with Coordinate Measurement Systems Clinic, June 6-7, 1989, Schaumburg, Illinois ; Automated Material Handling System Clinic, June 6-7, 1989, Dearborn, Michigan. Dearborn, Mich. (P.O. Box 930, Dearborn 48121): Society of Manufacturing Engineers, 1989.

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H, Lieske Jay, and Abalakin Viktor Kuzʹmich, eds. Inertial coordinate system on the sky: Proceedings of the 141st Symposium of the International Astronomical Union, held in Leningrad, U.S.S.R., October 17-21, 1989. Dordrecht [Netherlands]: Kluwer Academic Publishers, 1990.

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Book chapters on the topic "Coordinate system"

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Sładek, Jerzy A. "Measurement Uncertainty and Requirements of Production System. Selected Issues of Measurement Uncertainty Theory." In Coordinate Metrology, 15–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48465-4_2.

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Luca, Ioana, Yih-Chin Tai, and Chih-Yu Kuo. "A Topography-Fitted Coordinate System." In Shallow Geophysical Mass Flows down Arbitrary Topography, 21–49. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-02627-5_2.

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Singh, Rajesh, Anita Gehlot, Bhupendra Singh, and Sushabhan Choudhury. "Coordinate Display System Using GPS." In Arduino-Based Embedded Systems, 275–83. Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315162881-23.

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Leary, Rolfe A. "Haskell’s Coordinate System in Synthesis." In Interaction theory in forest ecology and management, 109–20. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5151-8_8.

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Quan, Quan. "Coordinate System and Attitude Representation." In Introduction to Multicopter Design and Control, 99–120. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3382-7_5.

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Roeser, Siegfried. "The System of the PPM Catalogue." In Inertial Coordinate System on the Sky, 469–78. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0613-6_127.

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Liu, Yanmin, Zhuanzhou Zhang, Yuanfeng Luo, and Xiangbiao Wu. "PSO Based on Cartesian Coordinate System." In Intelligent Computing in Bioinformatics, 363–70. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09330-7_43.

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Li, Bo, Xiuping Liu, Dianxuan Gong, and Qifeng Zhang. "Image Inpainting Under Local Coordinate System." In Lecture Notes in Electrical Engineering, 269–75. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2169-2_33.

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Franceschini, Fiorenzo, Maurizio Galetto, Domenico Maisano, Luca Mastrogiacomo, and Barbara Pralio. "The Mobile Spatial Coordinate Measuring System." In Distributed Large-Scale Dimensional Metrology, 37–83. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-543-9_3.

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Lu, Yu. "Positioning, Coordinate System, and Time Standard." In Navigation: Science and Technology, 1–35. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1075-2_1.

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Conference papers on the topic "Coordinate system"

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Gao, Zehua, Mingjing Zhu, and Yuxi Tan. "Zone coordinates: A new coordinate system." In 2017 IEEE 17th International Conference on Communication Technology (ICCT). IEEE, 2017. http://dx.doi.org/10.1109/icct.2017.8359934.

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Karimi, Parvaneh, and Sergey Fomel. "Stratigraphic coordinate system." In SEG Technical Program Expanded Abstracts 2011. Society of Exploration Geophysicists, 2011. http://dx.doi.org/10.1190/1.3628232.

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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 of braking and/or traction scenarios becomes difficult or even impossible, as reported in recent investigations [2]. The assumption of the prescribed motion of the track coordinate systems can be relaxed, thereby allowing the trajectory coordinate systems to be effectively used in modeling braking and traction scenarios. It is the objective of this investigation to demonstrate that by using track coordinate systems that can have an arbitrary motion, the trajectory coordinates can be used as the basis for developing computer algorithms for modeling braking and traction scenarios. To this end, a set of six generalized trajectory coordinates is used to define the configuration of each rigid body in the railroad vehicle system. This set of coordinates consists of one absolute coordinate, which is an arc length that represents the distance traveled by the body, and five relative coordinates. The arc length parameter defines the location of the origin and the orientation of a track coordinate system that follows the motion of the body. The other five relative coordinates are two translations that define the position of the origin of body coordinate system with respect to the track coordinate system in directions lateral and normal to the track, and three Euler angles that define the orientation of the body coordinate system with respect to its track coordinate system. The independent state equations of motion associated with the trajectory coordinates are identified and integrated forward in time in order to determine the trajectory coordinates and velocities. The results obtained in this study show that when the track coordinates systems are allowed to have an arbitrary motion, the resulting set of trajectory coordinates can be used effectively in the study of braking and traction conditions. The numerical examples presented in this paper include two different vehicle models subjected to several braking conditions. The results obtained are compared with the results obtained using the absolute Cartesian coordinate based formulations which allow modeling braking and traction scenarios.
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Vrtovec, T., B. Likar, and F. Pernus. "Spine-based coordinate system." In 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. IEEE, 2005. http://dx.doi.org/10.1109/iembs.2005.1615629.

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Jaskowski, Wojciech, and Krzysztof Krawiec. "Coordinate System Archive for coevolution." In 2010 IEEE Congress on Evolutionary Computation (CEC). IEEE, 2010. http://dx.doi.org/10.1109/cec.2010.5586066.

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Huajie Pan and Yihua Lou. "A hierarchical Network Coordinate system." In 2010 International Conference on Educational and Information Technology (ICEIT). IEEE, 2010. http://dx.doi.org/10.1109/iceit.2010.5607775.

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Snyder, Wesley E., Hairong Qi, and William A. Sander. "Coordinate system for hexagonal pixels." In Medical Imaging '99, edited by Kenneth M. Hanson. SPIE, 1999. http://dx.doi.org/10.1117/12.348629.

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Xuan, Junyu, Jie Lu, Guangquan Zhang, and Xiangfeng Luo. "Extension of similarity measures in VSM: From orthogonal coordinate system to affine coordinate system." In 2014 International Joint Conference on Neural Networks (IJCNN). IEEE, 2014. http://dx.doi.org/10.1109/ijcnn.2014.6889693.

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Kutner, Joe, Louise Perkins, Sumanth Yenduri, Farnaz Zand, and Joe Zhang. "AOP Maintains an Independent Coordinate System." In 2008 Fifth International Conference on Information Technology: New Generations (ITNG). IEEE, 2008. http://dx.doi.org/10.1109/itng.2008.13.

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Miura, Shinya, Toshihiko Yamasaki, and Kiyoharu Aizawa. "SNAPPER: Fashion Coordinate Image Retrieval System." In 2013 International Conference on Signal-Image Technology & Internet-Based Systems (SITIS). IEEE, 2013. http://dx.doi.org/10.1109/sitis.2013.127.

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Reports on the topic "Coordinate system"

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Bong, E. LCLS Undulator Coordinate System. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/839681.

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MacKay, W. Local Beam Line Coordinate System. Office of Scientific and Technical Information (OSTI), October 1995. http://dx.doi.org/10.2172/1119464.

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Zund, J. D. Hotine's (Omega, Phi, Nu) Coordinate System. Fort Belvoir, VA: Defense Technical Information Center, August 1993. http://dx.doi.org/10.21236/ada270108.

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Yu, Chenghao. The NSLS-II Alignment Coordinate System Conventions. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1505116.

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Gallegos, Floyd H., and Edwin Anthony Bryce. Compact-range coordinate system established using a laser tracker. Office of Scientific and Technical Information (OSTI), December 2006. http://dx.doi.org/10.2172/899721.

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van Gelder, Boudewijn, James Bethel, and Chisaphat Supunyachotsakul. Feasibility of a New Indiana Coordinate Reference System (INCRS). Purdue University, December 2012. http://dx.doi.org/10.5703/1288284315023.

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Rogers, W. E., and Timothy J. Campbell. Implementation of Curvilinear Coordinate System in the WAVEWATCH III Model. Fort Belvoir, VA: Defense Technical Information Center, September 2009. http://dx.doi.org/10.21236/ada507120.

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Petrie, Russ. Coordinate Measuring System for Receiving Inspection. Category I project. Phase 2. Fort Belvoir, VA: Defense Technical Information Center, February 1985. http://dx.doi.org/10.21236/ada208674.

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Hilmer, R. V. A Magnetospheric Neutral Sheet-Oriented Coordinate System for MSM and MSFM Applications. Fort Belvoir, VA: Defense Technical Information Center, July 1997. http://dx.doi.org/10.21236/ada338067.

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Singer, A. T., J. L. Land, S. D. Phillips, D. Sawyer, B. Borchardt, G. Caskey, D. Ward, P. Snoots, and B. Faust. Interim testing artifact (ITA), a performance evaluation system for coordinate measuring machines (CMMs):. Gaithersburg, MD: National Institute of Standards and Technology, 1995. http://dx.doi.org/10.6028/nist.ir.5602.

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