Detection of Moving Targets for Wideband Radar Based on Joint-sparse Recovery
Fang Ming① Dai Feng-zhou① Liu Hong-wei① Wang Xiao-mo①② Qin Tong①
①(National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China) ②(China Academy of Electronics and Information Technology, Beijing 100041, China)
Range migration is the basic and troublesome problem in moving target detection for wideband radar. To solve this problem, a detection algorithm of moving targets based on joint-sparse recovery is proposed for wideband radar. Firstly, a prewhitening processing is performed to filter the clutter. Then, a jointly row sparse representation of the wideband signals is derived in frequency/slow-time domain,thus the detection problem is solved via joint-sparse recovery. Finally, by using the inverse Fourier transform, the estimation of the targets scenario is achieved. Numerical results are presented to demonstrate the effectiveness of the proposed algorithm.
方明,戴奉周,刘宏伟,王小谟,秦童. 基于联合稀疏恢复的宽带雷达动目标检测方法[J]. 电子与信息学报, 2015, 37(12): 2977-2983.
Fang Ming, Dai Feng-zhou, Liu Hong-wei, Wang Xiao-mo, Qin Tong. Detection of Moving Targets for Wideband Radar Based on Joint-sparse Recovery. JEIT, 2015, 37(12): 2977-2983.
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