TITLE:
Recognition Method Based on Wigner-Hough Transform for Poly-Phase Code Radar Signal
AUTHORS:
Wenxu Zhang, Bing Wang, Fuli Sun
KEYWORDS:
Radar Signal Processing, Polyphase Code, Fractional Fourier Transform, Wigner-Hough Transform
JOURNAL NAME:
International Journal of Communications, Network and System Sciences,
Vol.10 No.8B,
August
14,
2017
ABSTRACT:
In order to solve the recognition of polyphase code radar signal, this paper gives two methods based on Frank code, i.e. the high-order spectrum recognition method and the fractional Fourier transform (FRFT) method, by analyzing the micro characteristics of polyphase code signals in time and frequency domain respectively. And a recognition algorithm based on Wigner-Hough transform (WHT) is developed in this paper. We verify the validity of each method by computer simulation and give relative merits and demerits. A set of results demonstrate that the algorithm based on Wigner-Hough transform has better recognition performance in low signal-to-noise (SNR) than others.