Modeling and Realization of GPS IF Signal

GUO Jiming; WANG Wei; CHAO Baichong

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Volume 33 Issue 5

May 2008

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Geomatics and Information Science of Wuhan University > 2008 > 33(5): 472-474.

GUO Jiming, WANG Wei, CHAO Baichong. Modeling and Realization of GPS IF Signal[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 472-474.

Citation:

GUO Jiming, WANG Wei, CHAO Baichong. Modeling and Realization of GPS IF Signal[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 472-474.

Citation:

GUO Jiming, WANG Wei, CHAO Baichong. Modeling and Realization of GPS IF Signal[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 472-474.

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Modeling and Realization of GPS IF Signal

¹School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China;² Geomatics and Applications Laboratory,Liaoning Technical University,47 Zhonghua Road,Fuxin 123000,China

Funds: 辽宁工程技术大学地理空间信息技术与应用实验室开放研究基金资助项目(2006001)

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Received Date: March 14, 2008
Revised Date: March 14, 2008
Published Date: May 04, 2008

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Abstract

A GPS IF signal computer-aided simulation method is proposed.The carrier Doppler frequency and the total propagation delay time can be modeled or calculated with the input GPS satellite ephemeris file.The simulated GPS IF signal is output to a text file for GPS software receiver post-processing and analyzing.The simulated GPS IF signal spectrum is compared with the received real one.The validity of the simulation result is verificated.
- GPS,
- intermediate frequency,
- signal simulation

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