谢家朝;谢先明;许华夏;王健;曾庆宁;

• 1:桂林电子科技大学信息与通信学院

摘要(Abstract)：

针对最大似然估计的多基线InSAR相位解缠算法对噪声比较敏感且难以解缠低信噪比干涉图的缺点,该文提出一种多基线迭代与最大似然估计相结合的多基线相位展开方法。首先利用多基线迭代法得到最长基线干涉图粗略的干涉相位;然后在以此粗略相位为中心的相位区间里,利用多基线最大似然估计得到最长基线干涉图的干涉相位精确估计值。该文采用仿真的金字塔场景、多山场景以及城市场景干涉图进行相位解缠实验。实验表明,该方法的相位展开精度比多基线迭代法和最大似然估计法都有了不同程度的提高。

关键词(KeyWords)： 干涉合成孔径雷达;多基线相位解缠;多基线迭代;最大似然估计;无味卡尔曼滤波

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41201479,61261033,61461011);; 广西自然科学基金项目(2012GXNSFAA05323,2013GXNSFBA019270,2014GXNSFBA118273);; 广西无线宽带通信与信号处理重点实验室2014/2015年主任基金项目(GXKL061503,GXKL0614106,GXKL0614102);; 认知无线电教育部重点实验室主任基金项目

作者(Authors): 谢家朝;谢先明;许华夏;王健;曾庆宁;

DOI: 10.16251/j.cnki.1009-2307.2018.01.021

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