FMCW Signal Detection and Parameter Extraction by Cross Wigner-Hough Transform

The combination of Wigner-Ville distribution (WVD) and Hough transform (HT) has been successfully used in detection and parameter extraction of frequency modulated continuous waveform (FMCW) signals. In this paper, a combination of Cross-Wigner-Ville and HT [(Cross Wigner-Hough transform (XWHT)] is...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 2017-02, Vol.53 (1), p.334-344
Hauptverfasser: Erdogan, A. Yasin, Gulum, Taylan O., Durak-Ata, Lutfiye, Yildirim, Tulay, Pace, Phillip E.
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Sprache:eng
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Zusammenfassung:The combination of Wigner-Ville distribution (WVD) and Hough transform (HT) has been successfully used in detection and parameter extraction of frequency modulated continuous waveform (FMCW) signals. In this paper, a combination of Cross-Wigner-Ville and HT [(Cross Wigner-Hough transform (XWHT)] is proposed for detection and parameter extraction of FMCW signals with a novel methodology. The XWHT method makes use of the cross-terms created by WVD instead of trying to suppress them. Utilization of the properties of the cross-terms to detect and unveil the parameters of FMCW signals on HT space is a new approach. The performance of the method is compared with other Wigner-Hough transform-based methods in terms of transform speed, parameter extraction, and detection performance. As a result, this study proposes that the XWHT is a candidate method to be used in digital electronic support receivers' automatic signal detection and analysis capabilities due to its speed and performance.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2017.2650518