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基于字典学习的雷达高分辨距离像目标识别 被引量：8

Radar HRRP target recognition based on dictionary learning
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摘要 提出一种基于字典学习的雷达高分辨距离像(HRRP)目标识别算法。该算法依据对测试样本的信噪比估计,可以自适应地确定测试阶段稀疏分解的稀疏度系数。相比于传统识别算法,文中算法对目标的识别性能更好,且对噪声的鲁棒性更强。另外,文中算法可以在只训练部分角域数据(不完备训练集)的条件下较好地识别全角域数据,可应用于HRRP数据库的扩展。基于实测数据的识别试验验证了该算法的有效性。 The dictionary learning based radar high-resolution range profile（HRRP） target recognition method is proposed in this paper. The method can adaptively select the sparse decomposition coefficients based on the estimated test noise level. Compared with the traditional HRRP recognition methods, the proposed algorithm has a higher recognition rate and is more robust to the test noise environment. Furthermore, this method can obtain satisfactory performance even with the limited HRRP training samples from partial target-aspect angles （i. e. , the training dataset is incomplete）, thereby it can be used for HRRP dataset extension. The experiments based on measured HRRP data validate the proposed method.
作者 冯博 杜兰 张学峰 刘宏伟
机构地区 西安电子科技大学雷达信号处理国家重点实验室
出处 《电波科学学报》 EI CSCD 北大核心 2012年第5期897-905,共9页 Chinese Journal of Radio Science
基金 国家自然科学基金(编号:60901067) 新世纪优秀人才支持计划(NCET-09-0630) 长江学者和创新团队发展计划(IRT0954) 全国优秀博士学位论文作者专项资金(FANEDD-201156) 中央高校基本科研业务费专项资金联合资助
关键词 雷达自动目标识别 高分辨距离像 稀疏表示 字典学习 K次奇异值分解算法 radar automatic target recognition high-resolution range profile （HR- RP） sparse representation dictionary learning K-SVD algorithm
分类号 TN959.17 [电子电信—信号与信息处理]
  • 相关文献

参考文献18

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二级参考文献74

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共引文献86

同被引文献55

  • 1黄琼,屈乐乐,吴秉横,方广有.压缩感知在超宽带雷达成像中的应用[J].电波科学学报,2010,25(1):77-82. 被引量：25
  • 2张平定,孙佳佳,童创明,季明阳,张鸣鸣.弹道中段目标雷达综合识别研究[J].微波学报,2015,31(2):20-23. 被引量：14
  • 3尹忠科,王建英,邵君.基于原子库结构特性的信号稀疏分解[J].西南交通大学学报,2005,40(2):173-178. 被引量：36
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引证文献8

二级引证文献37

电波科学学报
2012年 第5期

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