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Fast PN code acquisition technology research in high dynamic Doppler shift situation

  • Qi Zhao*
  • , Jing Xue
  • , Zhijie Wu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Fast PN code acquisition is a key technique in spread spectrum communication system. Traditional PN code acquisition algorithm costs comparatively long time in highly dynamic Doppler shift situation. An algorithm based on partial matched filtering (PMF) and fast Fourier transform (FFT) is analyzed. The method enhances the usable range of Doppler shift and shortens the time of PN code acquisition. The simulation by using Matlab verifies that the algorithm is correct and effective.

Original languageEnglish
Pages (from-to)101-104
Number of pages4
JournalShuju Caiji Yu Chuli/Journal of Data Acquisition and Processing
Volume23
Issue numberSUPPL.
StatePublished - Sep 2008

Keywords

  • Acquisition
  • Doppler shift
  • Fast Fourier transform
  • Partial matched filtering

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