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Volume 29 Issue 4
Apr.  2003
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Journal of Beijing University of Aeronautics and Astronautics  > 2003  >  29(4): 331-334.
Lu Juan, Chang Qing, Zhang Qishan, et al. Design of a TwelveChannel Digtal GPS Simulation System[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(4): 331-334. (in Chinese)
Citation: Lu Juan, Chang Qing, Zhang Qishan, et al. Design of a TwelveChannel Digtal GPS Simulation System[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(4): 331-334. (in Chinese)
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Design of a TwelveChannel Digtal GPS Simulation System

  • Dept. of Electronic Engineering, Beijing University of Aeronautics and Astronautics

  • Received Date: 14 Jan 2002
  • Publish Date: 30 Apr 2003
    Abstract
  • For the purpose of testing the performance of GPS receivers, a GPS signal simulator is needed that can emulate the real GPS signals under all kinds of conditions. Single channel and multi-channel GPS signals' characters in time domain and frequency domain are analyed. A mathematic model of the twelve-channel GPS simulator is proposed. In order to reduce the difficulties of the hardware design, this model is designed to provide a 35.42MHz IF signal directly by applying the idea of "software radio" and the theory of interpolation. Simulation results with SystemView software have demonstrated the feasibility of the system scheme. In addition, a practical hardware design of this system is described.

     

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  • [1] 王广运,陈增强,陈 武,等.GPS精密测地系统原理[M].北京:测绘出版社,1988 Wang Guangyun,Chen Zengqiang,Chen Wu, et al. The theory of GPS precise geodetic system[M].Beijing:Publishing House of Topography, 1988(in Chinese) [2] Mark B,Bard D,William G.High fidelity GPS satellite simulation. AIAA-97-3671,1997 [3] 杨小牛,楼才义,徐建良.软件无线电原理与应用[M].北京:电子工业出版社,2001 Yang Xiaoniu, Lou Caiyi, Xu Jianliang.The theory and application of software radio[M].Beijing:Publishing House of Electronics Industry, 2001(in Chinese) [4] 董绍平,陈世耕,王 洋.数字信号处理基础[M].哈尔滨:哈尔滨工业大学出版社,1996 Dong Shaoping, Chen Shigeng, Wang Yang.The rationale of digital signal processing[M]. Harbin:The Press in Harbin Institute of Technology,1996(in Chinese)
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