ISSN：1009-5020 CN：42-1610/P
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GUO Jiming, WANG Wei, CHAO Baichong. Model of GPS IF Signal and Its SimulationJ. Geo-spatial Information Science, 2009, 12(2): 100-103. DOI: 10.1007/s11806-009-0225-x
Citation: GUO Jiming, WANG Wei, CHAO Baichong. Model of GPS IF Signal and Its SimulationJ. Geo-spatial Information Science, 2009, 12(2): 100-103. DOI: 10.1007/s11806-009-0225-x
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Model of GPS IF Signal and Its Simulation

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  • A GPS IF signal computer simulation method is proposed in this article. The carrier Doppler frequency and the total propagation and delay time can be modeled or calculated with the input GPS satellite ephemeris file. The simulated GPS IF signal outputs to a text file for post-processing and analysis. The simulation signal spectrum is compared with the received real GPS IF signal spectrum, and the correctness of the simulation result is verified.
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