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Volume 29 Issue 9
Jan.  2011
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Chen Yong, Zhao Hang-sheng. Design and Realization of Fast Code Acquisition for the Large Doppler Offset and Long PN Code Spread Spectrum System[J]. Journal of Electronics & Information Technology, 2007, 29(9): 2187-2190. doi: 10.3724/SP.J.1146.2006.00223
Citation: Chen Yong, Zhao Hang-sheng. Design and Realization of Fast Code Acquisition for the Large Doppler Offset and Long PN Code Spread Spectrum System[J]. Journal of Electronics & Information Technology, 2007, 29(9): 2187-2190. doi: 10.3724/SP.J.1146.2006.00223

Design and Realization of Fast Code Acquisition for the Large Doppler Offset and Long PN Code Spread Spectrum System

doi: 10.3724/SP.J.1146.2006.00223
  • Received Date: 2006-03-01
  • Rev Recd Date: 2006-08-04
  • Publish Date: 2007-09-19
  • Based on the discrete-time signal processing, the representation of Doppler effect on code acquisition performance is analyzed and the principle of combining partial-matched filter with FFT is given in this paper. A fast code acquisition architecture by using partial-matched filter with FFT for the large Doppler offset and long PN code spread spectrum system is designed and realized with FPGA and DSP. This architecture provides a very good trade-off between acquisition performance and complexity. Application results show this architecture is very attractive for mobile satellite communication and DS/SS anti-jamming communication.
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