| 星载分布式InSAR测高性能的 理论及系统仿真评价方法 |
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| 引用本文： | 张永胜,黄海风,梁甸农,朱炬波.星载分布式InSAR测高性能的 理论及系统仿真评价方法[J].电子学报,2008,36(7):1273-1278. |
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| 作者姓名： | 张永胜 黄海风 梁甸农 朱炬波 |
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| 作者单位： | 国防科技大学电子科学与工程学院,湖南长沙 410073 |
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| 摘 要： | 针对星载分布式干涉合成孔径雷达(InSAR)系统空间几何构形,全面分析了卫星状态误差、干涉基线误差、干涉相位误差、时间、频率和波束三同步误差以及斜距测量误差等分布式InSAR测高误差源,给出了系统测高误差总的传递关系.以三大同步误差为重点,推导了各误差源到高程误差的理论传递模型,给出了分布式InSAR系统的理论评价方法.基于分布式InSAR全过程仿真平台,提出了一种通过构造一定平均坡度的典型场景和自然场景来进行系统仿真的实验评价新方法.通过理论和系统仿真实验两种评价方法的结合,使得分布式InSAR系统的性能评价更加全面、真实.
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| 关 键 词： | 合成孔径雷达 分布式InSAR 误差分析 性能评价 系统仿真 |
| 收稿时间： | 2007-03-12 |
Theoretic and Simulation Experimental Performance Evaluation Methods of Spaceborne Distributed InSAR System |
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| ZHANG Yong-sheng,HUANG Hai-feng,LIANG Dian-nong,ZHU Ju-bo.Theoretic and Simulation Experimental Performance Evaluation Methods of Spaceborne Distributed InSAR System[J].Acta Electronica Sinica,2008,36(7):1273-1278. |
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| Authors: | ZHANG Yong-sheng HUANG Hai-feng LIANG Dian-nong ZHU Ju-bo |
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| Affiliation: | College of Electronic Science and Engineering,NUDT,Changsha,Hunan 410073,China |
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| Abstract: | Based on the configuration of spaceborne distributed InSAR system,the height measurement error sources including satellite attitude error,interferometric baseline error,interferometric phase error,time,frequency and beam synchronization error and slant range measurement error are analyzed.The error transfer relationship of distributed InSAR system is presented.Emphasizing on the synchronization error,the error transfer model from all kinds of error sources to height measurement error is deduced.The theoreti... |
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| Keywords: | SAR(synthetic aperture radar) distributed InSAR(interferometric SAR) error analysis performance evaluation system simulation |
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