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星载InSAR系统基线分析

发表时间:2010-11-30  浏览量:5246  下载量:2604
全部作者: 郭宝龙,李楠
作者单位: 西安电子科技大学机电工程学院智能控制与图像工程研究所
摘 要: 在合成孔径雷达干涉测量技术(interferometric synthetic aperture radar, InSAR)系统空间成像基本原理的基础上,讨论高程误差,分析InSAR系统信噪比(signal-to-noise ratio,SNR)距离向分辨力与基线的关系,根据目标高度估计方差与基线的关系,推导出最优基线表达式。仿真计算结果与实际采用的系统基线吻合,验证了推导得出的结论。给出的最优基线公式对于星载InSAR系统的性能最优化设计具有重要意义。
关 键 词: 自动控制理论;InSAR;星载;干涉;最优基线
Title: Analysis of baseline in spaceborne InSAR system
Author: GUO Baolong, LI Nan
Organization: Institute of Intelligent Control & Image Engineering, School of Electronical & Machanical Engineering
Abstract: Based on the basic theory of interferometric synthetic aperture radar (InSAR) system, the height finding errors are discussed, the relations between InSAR signal-to-noise ratio (SNR), range resolution and baseline are also analyzed. The expression of optimum baseline is derived according to the relations between the height measurement error and baseline. The simulation results show good agreement with practical parameter. The expression of optimum baseline given in this paper is critical in spaceborne InSAR system design and performance optimization.
Key words: automatic control theory; interferometric synthetic aperture radar; spaceborne; interferometry; optimum baseline
发表期数: 2010年11月第22期
引用格式: 郭宝龙,李楠. 星载InSAR系统基线分析[J]. 中国科技论文在线精品论文,2010,3(22):2359-2364.
 
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