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MATLAB SIMULINK를 이용한 GPS L1 신호 소프트웨어 시뮬레이터 설계 : The Design of the GPS L1 Software Simulator using MATLAB SIMULINK
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- Authors
- Issue Date
- 2011-11-04
- Publisher
- (사)GNSS기술협의회
- Citation
- The 18th GNSS Workshop
- Keywords
- GPS C/A Code ; GPS L1 Signal ; GPS Signal Simulator ; MATLAB SIMULINK
- Abstract
- As Global Navigation Satellite System(GNSS) becomes the primary means of navigation, many researchers are trying to develop more efficient and robust GNSS receiver algorithm. Currently, algorithm development with a software GNSS receiver is common among developers due to its cost-effectiveness and flexibility. In addition, developers are in need of a GNSS signal simulator to test the performance of receivers and evaluate new algorithms. In this paper, a 8 channel GPS L1 software simulator was designed using MATLAB SIMULINK. The simulator gets signal parameters from a user and generates 8 satellites signals and saves IF signal after band pass filtering and analog to digital converting. The simulated signal data was verified by theoretical evaluation of signal spectrum and a software GPS receivers acquisition and tracking results. This simulator will be used to generate weak signals to evaluate new software receiver algorithm.
- Language
- Korean
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