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Volume 38 Issue 10
Oct.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(10): 1358-1362.
Zhan Wei, Zhang Xiaolin, Chang Xiaoming, et al. Impact analysis on frequency hopping to carrier tracking precision in DS/FH hybrid spread spectrum receiver[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 1358-1362. (in Chinese)
Citation: Zhan Wei, Zhang Xiaolin, Chang Xiaoming, et al. Impact analysis on frequency hopping to carrier tracking precision in DS/FH hybrid spread spectrum receiver[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 1358-1362. (in Chinese)
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Impact analysis on frequency hopping to carrier tracking precision in DS/FH hybrid spread spectrum receiver

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191, China

  • Received Date: 14 Oct 2011
  • Publish Date: 30 Oct 2012
    Abstract
  • Facing the increasingly complex electromagnetic environment, it is an attempt to introduce DS/FH hybrid spread spectrum technology to the field of TT&C. According to the characteristics of DS/FH signal, mathematical model of several key nodes in DS/FH hybrid spread spectrum receiver was derived in the context of TT&C. Effect to acquisition and tracking in the hybrid spread spectrum receiver caused by hopped Doppler frequency and initial carrier phase transition attached to the carrier brought by adjacent hopped frequency’s difference was analyzed, especially effect to carrier tracking precision. A method to lower the accumulated energy loss caused by initial carrier phase uncertainty of hopped carrier was proposed. The receiver employed hopping pattern to reduce the impact of hopped frequency to tracking precision in the DS/FH hybrid spread spectrum receiver, and the effectiveness of the method was verified through simulation.

     

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    • References(8)
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