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A Method for Under-Sampling Modulation Pattern Recognition in Satellite Communication

  • Tao WenEmail author
  • Qi Chen
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 516)

Abstract

To solve the problem of reconnaissance and processing of broadband satellite communication signals, a kind of satellite communication signals BPSK/QPSK modulation pattern recognition method was put forward in this paper. This method deals with the satellite descending signal with BPSK/QPSK modulation in the under-sampling condition. Because the corrected spectrum of BPSK signal contains obvious crest, while QPSK signal does not contain this feature. The difference of the waveform characteristics is used to complete modulation pattern recognition. The simulation results show that this method can identify BPSK/QPSK modulation signals when SNR is greater than 1 dB. When the sampling points are reduced, the satellite communication signal under-sampling modulation pattern recognition method can still maintain good recognition performance.

Keywords

Satellite communication Under-sampling Modulation pattern recognition Sparse reconstruction 

Notes

Fund Project

National Natural Science Foundation of China (youth project): No. 61501484; Research and Development Fund of Naval Engineering University (Science and Technology [2016] No. 66), accounting subject: 425517K170; 425517K167.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Battle LaboratoryNaval Command CollegeNanjingChina

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