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Research on Technology of GPS Carrier Phase Positioning

Author: ChenShiLei
Tutor: LiuGuiXi
School: Xi'an University of Electronic Science and Technology
Course: Circuits and Systems
Keywords: GPS Carrier phase Ambiguity LAMBDA
CLC: P228.4
Type: Master's thesis
Year: 2008
Downloads: 773
Quote: 9
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Abstract


Global Positioning System (GPS) is a real-time weather and global satellite-based navigation and positioning system, its built from the fundamental solution to the human race on Earth navigation and positioning , GPS satellite positioning increasingly widely used in mapping , navigation , astronomy , communications, and spread to deeper economic and national defense construction and people's daily lives , showing a good prospect. GPS carrier phase positioning technology is to improve the positioning accuracy and the emergence and development , and on this basis, gradually improved the differential GPS technology (DGPS), these techniques greatly improves the accuracy of GPS positioning , expanding the range of GPS applications . This work is done on the differential carrier phase positioning and technique were systematically discussed. The article first introduces the Global Positioning System (GPS) of the composition and function , analyze the impact on the positioning errors , discuss the basic model and the observed absolute positioning the principle of the two basic concept of measurement of the absolute positioning of the simulation, analysis of the results ; expounded carrier phase subsystems and operating principle of the mathematical model and use simulation to determine its positioning performance ; introduces ambiguity solving the basic idea of ??static and dynamic analysis of a variety of ambiguity resolution method , focusing on the least-squares fall -related adjustment method (LAMBDA) methods are discussed , given algorithm implementation process , and carried out simulation experiments .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Geodesy > Satellite geodesy and space geodesy > Global Positioning System (GPS)
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