李沙,李陶,王明洲,侯爱羚,吴文豪

• 1:武汉大学卫星导航定位技术研究中心

摘要(Abstract)：

针对超高压输电导线在高分辨率雷达影像上表现出的强散射特性,该文提出了一种自动提取输电导线强散射亮斑中心位置的算法。采用自适应窗口最大相关系数法,较精确地提取了强散射斑的位置,实现对散射亮斑亮度、面积、位置的时序分析。基于此算法的实验结果表明:输电导线散射亮斑的亮度峰值、50db以上的散射面积以及中心位置在时序影像中均发生不同程度的变化,并表明散射亮斑位置受导线弧垂影响,且温度是改变弧垂曲率和导线散射几何关系的主要因素。

关键词(KeyWords)： 高分辨率雷达;输电导线;散射亮斑;时间序列;位置

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41274048)

作者(Author): 李沙,李陶,王明洲,侯爱羚,吴文豪

DOI: 10.16251/j.cnki.1009-2307.2015.04.028

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