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基于极化散射特性的空间锥体目标宽带回波对齐

邵长宇 杜兰 韩勋 刘宏伟

邵长宇, 杜兰, 韩勋, 刘宏伟. 基于极化散射特性的空间锥体目标宽带回波对齐[J]. 电子与信息学报, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316
引用本文: 邵长宇, 杜兰, 韩勋, 刘宏伟. 基于极化散射特性的空间锥体目标宽带回波对齐[J]. 电子与信息学报, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316
SHAO Changyu, DU Lan, HAN Xun, LIU Hongwei. Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target[J]. Journal of Electronics & Information Technology, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316
Citation: SHAO Changyu, DU Lan, HAN Xun, LIU Hongwei. Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target[J]. Journal of Electronics & Information Technology, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316

基于极化散射特性的空间锥体目标宽带回波对齐

doi: 10.11999/JEIT150316
基金项目: 

国家自然科学基金(61271024, 61201292, 61322103),中央高校基本科研业务费专项资金(K5051302010),上海航天科技创新基金(SAST2015009),航空科学基金(20142081009),航空电子系统射频综合仿真航空科技重点实验室基金

Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target

Funds: 

The National Natural Science Foundation of China (61271024, 61201292, 61322103), The Fundamental Research Funds for the Central Universities (K5051302010), Shanghai Aerospace Science and Technology Innovation Fund (SAST2015009), Aviation Science Fund (20142081009), Key Laboratory Fund of RF Integrated Laboratory in Avionics System

  • 摘要: 包络对齐是宽带回波预处理中重要的一部分,然而对于空间锥体这类只有较少散射中心且目标存在微动的情况,现有的包络对齐方法并不能得到较好的对齐结果。对于一些利用宽带回波进行微动目标参数估计的算法,包络对齐是其算法的关键一步。该文提出一种基于极化散射特性进行包络对齐的算法,算法首先利用极化谱估计与幅相联合估计(P-CAPES)超分辨方法估计宽带极化回波中的散射中心的数目、位置和极化散射矩阵,然后计算前后时刻回波散射中心的极化相似性参数,最后利用得到相似性参数进行包络对齐。基于电磁计算数据的实验结果验证了算法的有效性。
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出版历程
  • 收稿日期:  2015-03-17
  • 修回日期:  2015-10-20
  • 刊出日期:  2016-02-19

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