师悦龄,刘国祥,汤伟尧,张瑞,于冰

• 1:西南交通大学地球科学与环境工程学院测绘科学与技术系
• 2:高速铁路运营安全空间信息技术国家地方联合工程实验室
• 3:西南石油大学土木工程与建筑学院测绘工程系

摘要(Abstract)：

针对用二次多项式法去除轨道误差对InSAR相位影响时,须对干涉相位其他项分布性质作假设,且自身存在一定的模型缺陷的问题,该文提出用BP神经网络去除轨道误差对InSAR相位影响的方法。研究表明:BP神经网络法在使用时无须对干涉相位其他项分布性质作假设,模型更优。模拟实验中,轨道误差相位拟合残差更小;真实数据实验中,纠正后非形变区相位集中在零值附近,且波动趋势更为平稳。该方法一定程度上降低了传统二次多项式法的应用局限性。

关键词(KeyWords)： InSAR;轨道误差;BP神经网络

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41474003)

作者(Author): 师悦龄,刘国祥,汤伟尧,张瑞,于冰

DOI: 10.16251/j.cnki.1009-2307.2018.04.001

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