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Research on the Fast Capture Structure of Burst Spread Spectrum Signal

  • 2013-09-22
  • 265.33KB
  • Points it Requires : 1

Traditional pseudo code capture structures have certain limitations when processing high-dynamic burst signals. This paper proposes a fast capture circuit structure based on the power spectrum characteristics of the carrier signal. The ratio of the maximum value to the second maximum value of the power spectrum of the despread signal is calculated, and the ratio is compared with the decision threshold to determine whether the capture is successful or not. Computer simulation results verify that the algorithm can complete the fast capture of short-duration burst spread spectrum signal pseudo codes in a high-dynamic environment.

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