| 基于联合稀疏恢复的宽带雷达动目标检测方法 |
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| 引用本文： | 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. |
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| 作者姓名： | 方明 戴奉周 刘宏伟 王小谟 秦童 |
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| 作者单位： | 1.(西安电子科技大学雷达信号处理国家重点实验室 西安 710071) ②(中国电子科学研究院 北京 100041) |
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| 基金项目： | 国家自然科学基金(61271291，61201285)，新世纪优秀人才支持计划(NCET-09-0630)，全国优秀博士学位论文作者专项资金(FANEDD-201156)和中央高校基本科研业务费专项资金 |
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| 摘 要： | 针对宽带雷达目标回波存在越距离单元走动的问题，该文提出一种基于联合稀疏恢复的宽带雷达动目标检测方法。该方法先在频域对回波数据进行预白化处理，抑制杂波；然后在频率-慢时间域推导出目标信号的联合行稀疏表示，并通过联合稀疏恢复算法得到目标的频域估计；最后通过逆傅里叶变换得到目标的时域估计。仿真结果验证了该方法的有效性。
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| 关 键 词： | 宽带雷达 目标检测 越距离单元走动 杂波抑制 联合稀疏恢复 |
| 收稿时间： | 2015-04-20 |
Detection of Moving Targets for Wideband Radar Based on Joint-sparse Recovery |
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| 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[J].Journal of Electronics & Information Technology,2015,37(12):2977-2983. |
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| Authors: | Fang Ming Dai Feng-zhou Liu Hong-wei Wang Xiao-mo Qin Tong |
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| Affiliation: | 1.(National Laboratory of Radar Signal Processing, Xidian University, Xi&rsquo |
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| Abstract: | 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. |
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