航天器工程2017，Vol.26Issue(1)：132-139,8.DOI:10.3969/j.issn.1673-8748.2017.01.019
高分三号卫星ATI模式海表面流场测量性能分析
Performance Analysis of Sea Surface Current Measurements by GF-3 Satellite ATI Mode
摘要
Abstract
Along-Track Interferometric Synthetic Aperture Radar(ATI-SAR) is an effective way to obtain high resolution ocean surface current field.In this paper,the factors which influence on ocean surface current measurements by ATI SAR are analyzed (polarization,incidence angle,effective along-track baseline and wind speed),and the appropriate radar system parameters are given.Then the performance of GF-3 satellite ATI mode in current retrieval is studied based on the simulation experiments.Due to the baseline length of the single satellite limits the accuracy of current monitoring,and the best performance can be achieved in the satellite formation mode,so the method for effective baseline selection of ATI-SAR in satellite formation current measurements is analyzed at last,which will provide reference for SAR system design.关键词
海表面流场/顺轨干涉SAR/ATI有效基线/高分三号卫星Key words
ocean surface current/ATI-SAR/effective along-track baseline/GF-3 satellite分类
航空航天引用本文复制引用
王文煜,谢春华,袁新哲,何志华,丁泽刚..高分三号卫星ATI模式海表面流场测量性能分析[J].航天器工程,2017,26(1):132-139,8.基金项目
高分辨率对地观测重大专项(No.12-Y20A15-9001-15/16) （No.12-Y20A15-9001-15/16）
