Digital chirp rate adaptation for increased FMCW interception performance in Hough based transforms

A. Yasin Erdogan, Taylan O. Gulum, Lutfiye Durak-Ata, Tulay Yildirim, Phillip E. Pace

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

6 Citations (Scopus)

Abstract

Radars that can hide their emissions from threat intercept receivers and radar warning receivers are called low probability of intercept (LPI) radars and wide-band linear Frequency Modulated Continuous Waveform (FMCW) is one of the most common waveform structures they use. FMCW LPI radars use different chirp rates to vary range resolution and doppler resolution. In this work we investigate the effect of chirp rate on electronic support (ES) intercept receiver systems' performance of intercepting FMCW signals. We define ES Receiver (ESR) Digital Chirp Rate (DCR) concept, find the chirp rate interval that maximizes the interception performance and finally we propose an adaptive method for improving intercept performance of the Wigner-Hough Transform (WHT) based methods using ESR-DCR concept. The investigation is performed on different ROC curves of the WHT methods.

Original languageEnglish
Title of host publication2014 International Radar Conference, Radar 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479941957
DOIs
Publication statusPublished - 12 Mar 2014
Externally publishedYes
Event2014 International Radar Conference, Radar 2014 - Lille, France
Duration: 13 Oct 201417 Oct 2014

Publication series

Name2014 International Radar Conference, Radar 2014

Conference

Conference2014 International Radar Conference, Radar 2014
Country/TerritoryFrance
CityLille
Period13/10/1417/10/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

  • Digital Chirp Rate
  • Electronic Support Receiver
  • FMCW
  • LPI
  • Wigner Distribution
  • Wigner-Hough Transform

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