Wideband‐scaled Radon‐Fourier transform for high‐speed radar target detection | Zendy

Qian LiChang | Zendy; Xu Jia | Zendy; Xia XiangGen | Zendy; Sun WenFeng | Zendy; Long Teng | Zendy; Peng YingNing | Zendy

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Wideband‐scaled Radon‐Fourier transform for high‐speed radar target detection

Author(s) -

Qian LiChang,

Xu Jia,

Xia XiangGen,

Sun WenFeng,

Long Teng,

Peng YingNing

Publication year - 2014

Publication title -

iet radar, sonar and navigation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.489

H-Index - 82

eISSN - 1751-8792

pISSN - 1751-8784

DOI - 10.1049/iet-rsn.2012.0364

Subject(s) - narrowband , wideband , fourier transform , bandwidth (computing) , electronic engineering , radar , computer science , fast fourier transform , algorithm , radon , fractional fourier transform , radon transform , acoustics , physics , engineering , telecommunications , fourier analysis , artificial intelligence , quantum mechanics

High target speed, long pulse duration or wide signal bandwidth may cause noticeable scale effect on radar echoes, for which the conventional narrowband matched filter may introduce an obvious signal‐to‐noise ratio (SNR) loss for target detection. To obtain the ideal SNR gain in the above scenarios, a novel long‐time coherent integration method has been proposed, namely wideband‐scaled Radon‐Fourier transform (WSRFT). The proposed WSRFT can compensate the scale effect not only on the single pulse but also among the multiple pulses in a long coherent integration time. Furthermore, the performance comparison between the proposed WSRFT and the existing Radon‐Fourier transform method is given. Finally, some numerical experimental results are also provided to demonstrate the effectiveness of the proposed WSRFT method.

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