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日本ALOS卫星携带的相控阵型L波段合成孔径雷达(PALSAR),因其较长的波长使得相同时间间隔内地面具有较高的相干性,因而极具InSAR应用潜力。本文首先介绍ALOS PALSAR,进而详细分析该数据在InSAR数学模型(包括距离向频谱、干涉临界基线距、模糊高度、差分相位对形变的敏感度)中的特点,并与常见的ERS SAR数据进行比较。 更多还原

【Abstract】 The Phased Array type L-band Synthetic Aperture Radar(PALSAR),carried by Japan Advanced Land Observing Satellite(ALOS),has longer wave length than C-band,thus during the same temporal interval,interferometric coherence of PALSAR data covering the same area is higher than C-band correspondingly.Obviously,PALSAR data has great potential in InSAR applications.This paper first introduces ALOS and PALSAR data.Then several main InSAR parameters are analyzed based on PALSAR Fine Beam Single polarizatio... 更多还原