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2011-02-02
A Strip-Map SAR Coherent Jammer Structure Utilizing Periodic Modulation Technology
By
Qingfu Liu,

    Dr. Qingfu Liu

    School of Electronic Science and Engineering

    National University of Defense Technology

    China

    Homepage

Shiqi Xing,

    Dr. Shiqi Xing

    School of Electronic Science and Engineering

    National University of Defense Technology

    China

    Homepage

Xuesong Wang,

    Dr. Xuesong Wang

    College of Electronic Science and Engineering

    National University of Defense Technology

    China

    Homepage

Jian Dong,

    Dr. Jian Dong

    School of Electronic Science and Engineering

    National University of Defense Technology

    China

    Homepage

Dahai Dai

    Dr. Dahai Dai

    School of Electronic Science and Engineering

    National University of Defense Technology

    China

    Homepage

Progress In Electromagnetics Research B, Vol. 28, 111-128, 2011
doi:10.2528/PIERB10120901 | Google Scholar

Abstract
After being modulated by a periodic signal, the pulse compression result of the modulated LFM (Linear Frequency Modulation) may have many isolated and sharp peaks. According to this phenomenon, we developed a strip-map SAR (Synthetic Aperture Radar) jammer which modulated both the SAR's fast and slow time LFMs with periodic waveforms. This kind of jamming can forge isolated and bright points in the SAR image, and may confuse the SAR's image processing. The structure of this kind of jammer is simple and easy to be designed comparing to that of a traditional jammer utilizing the coherent jamming. Also it only needs much lower transmitted power than a noise jammer. Finally, the jamming experiences were conducted by utilizing a railway SAR, and the SAR imaging results showed the effectiveness of this kind of jamming.
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Citation
Qingfu Liu, Shiqi Xing, Xuesong Wang, Jian Dong, and Dahai Dai, "A Strip-Map SAR Coherent Jammer Structure Utilizing Periodic Modulation Technology," Progress In Electromagnetics Research B, Vol. 28, 111-128, 2011.
doi:10.2528/PIERB10120901
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