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一种大转角SAR图像散射中心各向异性提取方法

高悦欣 李震宇 盛佳恋 邢孟道

高悦欣, 李震宇, 盛佳恋, 邢孟道. 一种大转角SAR图像散射中心各向异性提取方法[J]. 电子与信息学报, 2016, 38(8): 1956-1961. doi: 10.11999/JEIT151261
引用本文: 高悦欣, 李震宇, 盛佳恋, 邢孟道. 一种大转角SAR图像散射中心各向异性提取方法[J]. 电子与信息学报, 2016, 38(8): 1956-1961. doi: 10.11999/JEIT151261
GAO Yuexin, LI Zhenyu, SHENG Jialian, XING Mengdao. Extraction Method for Anisotropy Characteristic of Scattering Center in Wide-angle SAR Imagery[J]. Journal of Electronics & Information Technology, 2016, 38(8): 1956-1961. doi: 10.11999/JEIT151261
Citation: GAO Yuexin, LI Zhenyu, SHENG Jialian, XING Mengdao. Extraction Method for Anisotropy Characteristic of Scattering Center in Wide-angle SAR Imagery[J]. Journal of Electronics & Information Technology, 2016, 38(8): 1956-1961. doi: 10.11999/JEIT151261

一种大转角SAR图像散射中心各向异性提取方法

doi: 10.11999/JEIT151261
基金项目: 

高等学校博士学科点专项科研基金(优先发展领域) (20120203130001)

Extraction Method for Anisotropy Characteristic of Scattering Center in Wide-angle SAR Imagery

Funds: 

Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP)(20120203130001)

  • 摘要: 基于各向异性特性反映了散射中心本身属性,该文提出一种大转角SAR条件下提取散射中心各向异性特性的算法。首先根据属性散射中心模型分析单个散射中心的回波构成;之后以单位矩阵作为标准正交基,将各向异性特性的估计转化为求解散射中心幅度变化的逆问题;再利用散射中心幅度变化的实数特性与连续性对该逆问题进行约束求解,实现了对散射中心各向异性特性的提取。Matlab仿真和电磁计算数据的处理结果验证了算法的准确性以及稳定性;与现有算法对比,所提算法运算效率高。
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出版历程
  • 收稿日期:  2015-11-09
  • 修回日期:  2016-04-19
  • 刊出日期:  2016-08-19

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