Error analysis of DEM derived from airborne single-pass interferometric SAR data
作者： Zhongchang Sun , Huadong Guo , Xinwu Li , Mengmei Jiao
DOI: 10.1109/IGARSS.2011.6049951
关键词:
摘要: The main objective of this paper is to examine and evaluate the performance airborne SAR system through interferometric processing error analysis. Firstly, describes how high-precision DEMs are derived from dual-antenna InSAR data. Based on bore-sight model, summarizes factors which influence accuracy DEM in data processing, analyses those factors. Then, POS/AV510 parameters used for analyzing quantitative relationship between platform height, baseline length, angle, look angle error. experimental X-band data, measured GCPs validate DEM. Evaluation results terms standard deviation (SD) average mean (AME) by comparing reconstructed with reference GCPs. AME up 1.7628 m. SD to±1.0858
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