Image and Signal Processing Methods

Synthetic aperture radar ground moving target indication via exploiting interferogram’s magnitude and phase

[+] Author Affiliations
Hongchao Zheng, Junfeng Wang, Xingzhao Liu

Shanghai Jiao Tong University, School of Electronic Information and Electrical Engineering, 800 Dongchuan Road, Shanghai 200240, China

J. Appl. Remote Sens. 10(3), 035012 (Aug 09, 2016). doi:10.1117/1.JRS.10.035012
History: Received March 25, 2016; Accepted July 12, 2016
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Abstract.  A scheme is presented for ground moving target indication with multichannel synthetic aperture radar (SAR). After the effects of different phase centroids are compensated, the images from different channels are used to form an interferogram. Then the probability distribution function of the interferometric phase is estimated as a function of the interferometric magnitude, thus the detection threshold is derived as a function of the interferometric magnitude. Since the detection threshold is magnitude dependent, this scheme has a better performance than the conventional schemes, especially for slow, weak moving targets. The effectiveness of this scheme is verified by both simulated and real SAR data.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Hongchao Zheng ; Junfeng Wang and Xingzhao Liu
"Synthetic aperture radar ground moving target indication via exploiting interferogram’s magnitude and phase", J. Appl. Remote Sens. 10(3), 035012 (Aug 09, 2016). ; http://dx.doi.org/10.1117/1.JRS.10.035012


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