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An approach to intra-pulse modulation recognition based on the ambiguity function

  • Deguo Zeng*
  • , Hui Xiong
  • , Jun Wang
  • , Bin Tang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Based on the ambiguity function, an approach to intra-pulse modulation recognition is presented. This paper defines the frequency energy accumulation function (FEAF) and time-domain extremum function (TEF) to describe the Doppler frequency shift and time delay properties of signals, respectively. This approach can recognize six types of signals by four characteristic parameters. Simulation results show that the probability of successful recognition (PSR) can reach 90% when the signal to noise ratio (SNR) is above -1 dB.

Original languageEnglish
Pages (from-to)1103-1122
Number of pages20
JournalCircuits, Systems, and Signal Processing
Volume29
Issue number6
DOIs
StatePublished - Dec 2010
Externally publishedYes

Keywords

  • Ambiguity function
  • Modulation recognition
  • Radar signal

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