摘要
在综合考虑空间垂直基线、时间基线和多普勒质心频率基线对干涉图去相关影响的基础上,分析和研究了时序SAR图像中优化选取一幅或多幅公共主图像的两种实用模型;结合具体的ERS-1/2 SLC SAR图像,开展了PS InSAR公共主图像的优化选取试验,提出了利用基于DESCW和综合相关系数γm的公共主图像优化选取方法在一系列时序SAR图像中优化选取一幅或多幅公共主图像的实用化数据处理流程。理论分析和计算数据充分表明,该数据处理流程是可行的。
This paper analyzes and investigates two practial models to optimize and select a common master image or more from a series of SAR images based on jointly considering the impact of spacial perpendicular baselines, temperal baselines and doppler centers frequency baselines on the decorrelation of an interferogram, then carries out a test about optimal selection of common master images in PS InSAR and presents the pratical data processing flow to optimize and select common master images from a series of SAR images based on the DESCW and the integrated correlation coefficient γ^m with a series of ERS-1/2 SLC SAR images. Theoretical analysis and calculation of the full data show that the data processing flow is feasible.
出处
《山东科技大学学报（自然科学版）》
CAS
2009年第5期10-15,共6页
Journal of Shandong University of Science and Technology(Natural Science)
基金
国家自然科学基金项目(40874001)
国家测绘局重点实验室项目(200810)
关键词
PS
INSAR
去相关
公共主图像
优化选取
数据处理流程
permanent scatterers InSAR
decorrelation
common master images
optimal selection
data processing flow
