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Development of High-dynamic GPS Receivers

Author: YeZuoHua
Tutor: HuHui
School: East China Jiaotong University
Course: Communication and Information System
Keywords: TMS320C32 TMS320C6713 GP2000 GPS carrier tracking
CLC: P228.4
Type: Master's thesis
Year: 2009
Downloads: 179
Quote: 0
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Abstract


GPS systems could provide worldwidely for users with all-weather, continuous and accurate position, velocity and time information, it has been widely used in positioning, navigation and other fields. At present, GPS technology of navigation and positioning are making progress towards high accuracy, high-dynamic, high sensitivity, high anti- interference.GPS receivers are mostly used to receive satellite signals and messages. We can measure the distance between the receiver and the satellite or Doppler shift via the radio signal. We also could calculate the position and velocity of satellite based on the navigation message, furthermore, we could calculate the user’s position and velocity according to measurements、position and speed of satellite.At present, most domestic GPS receivers positioned are deeply developed on the basis of the position-module in foreign country, moreover the developed Western countries set the specification limits to the GPS receivers which are exported to China, in case they are used into the military areas, such as dynamic speed is less than 515m/ s, working height is less than 18km, the acceleration is less than 4g.With the increasing development and wide application of the navigation system, the status and importance of the system is increasingly prominent. We are required to study the GPS positioning system comprehensively and intensively and to make contribution to the application of our position navigation.

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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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