The SAR sidelobe suppression method based on the parallel transceiver using orthogonal chaotic frequency modulation signal

  • L. Zhang
  • , Z. Yu
  • , J. W. Li

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Since the sidelobe of the range compressed LFM signal is engendered high in SAR system, this paper proposes a novel sidelobe suppression method within SAR imaging procedure based on transforming SAR work mechanism. Chaotic sequence is introduced to the transmitter to generate N chaotic modulation signals orthogonal to each other. In the receiver, echo signal is respective imaging after orthogonal separation; the final result is the average of the imaging results. Compared with LFM signal, the signal sidelobe of the final result is effectively degraded because chaotic modulation signals have orthogonality -like performance and pinlike ambiguity function. At the same, radar use this method can owns good performance on anti-interference and anti-interception due to the noise-like spectrum.

Original languageEnglish
Title of host publicationElectronic Engineering and Information Science - Proceedings of the 2015 International Conference on Electronic Engineering and Information Science, ICEEIS 2015
EditorsDongxing Wang
PublisherCRC Press/Balkema
Pages533-535
Number of pages3
ISBN (Print)9781138027725
DOIs
StatePublished - 2015
EventInternational Conference on Electronic Engineering and Information Science, ICEEIS 2015 - Haikou, China
Duration: 17 Jan 201518 Jan 2015

Publication series

NameElectronic Engineering and Information Science - Proceedings of the 2015 International Conference on Electronic Engineering and Information Science, ICEEIS 2015

Conference

ConferenceInternational Conference on Electronic Engineering and Information Science, ICEEIS 2015
Country/TerritoryChina
CityHaikou
Period17/01/1518/01/15

Keywords

  • Bernoulli map
  • Chaotic FM (Frequency Modulation)
  • LFM (Linear Frequency Modulation)
  • SAR (Synthetic Aperture Radar)

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