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改进的InSAR相位Lee滤波器 被引量：2

Modified InSAR Phase Lee Filter
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摘要 InSAR相位滤波是InSAR处理中重要的一个环节。Lee滤波是一种有效的InSAR相位滤波器,但是存在着一些不足。为减少传统Lee滤波的缺点,提出了一种改进的Lee滤波器;并且以仿真数据和实际数据为基础,将改进后的Lee滤波器和传统Lee滤波方法进行对比。得出结论:改进后的Lee滤波较原始的Lee滤波更有效,改进后的滤波器滤波效果更好,同时算法的速度更快,并且其鲁棒性更好。 InSAR phase filtering is significant in InSAR processing. Lee filter is an effective filtering, however, it suffers from some disadvantages. According to these shortages, a modification to classic Lee filter is proposed. Meanwhile, experiments based on simulated and real data is conducted to make a comparison of the effectiveness between the two filtering methods. It is verified in the experiments that the modified Lee filter is more effective. It eliminates more residues, spends less time and is more robust.
作者 刘璐 陈永强
机构地区 中国科学院电子学研究所 中国科学院大学
出处 《科学技术与工程》 北大核心 2013年第19期5668-5672,共5页 Science Technology and Engineering
关键词 干涉合成孔径雷达 相位滤波 Lee滤波 InSAR phase filtering Lee filter
分类号 TN957.513 [电子电信—信号与信息处理]
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参考文献7

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共引文献19

同被引文献25

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二级引证文献8

科学技术与工程
2013年 第19期

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