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极化方位角对Yamaguchi参数分解的影响

DOI: 10.11834/jig.20111105

Keywords: 全极化SAR,极化方位角,方位向坡度,Yamaguchi参数分解

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Abstract:

以极化方位角估计为基础,对由方位向地形引起的极化分解误差进行深入探讨,详细分析方位向地形对4参数Yamaguchi分解的影响,同时利用全极化SAR方位角估计减少地形因素带来的影响。最后,利用AIRSAR系统于1992年在SanFrancisco地区的全极化数据进行实验分析。实验结果表明,利用极化方位角补偿的方法,可以改善Yamaguchi分解的精度。

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