【摘要】 合成孔径雷达(SAR)遥感是城镇建筑震害监测的重要手段之一。随着SAR传感器技术的最新发展,利用高分辨率、多极化SAR图像对城镇建筑地震灾害损毁进行探测和评估成为当前的研究趋势和热点。文中首先分析了建筑物及其震害损毁SAR成像特点,并系统综述了近15年来国内外基于SAR图像进行城镇建筑震害损毁探测与评估技术方法的研究和应用现状,评述了各类方法的优缺点,最后针对当前SAR传感器高分辨率、全极化的发展趋势,对有待于进一步研究的问题和技术发展趋势进行了展望。更多还原

【Abstract】 Synthetic Aperture Radar(SAR) is one of the most important sensors for earthquake damage detection of buildings in building-up areas.With the development in the sensor technology,SAR has become research hotspots in urban damage detection and assessment.The purpose of this paper is to analyze the characteristics of buildings in SAR image,and to present an overview of the methods developed over the last 15 years and their applications.For each type of method,the merits and the limitations are discussed.Finally,for the new high resolution and full polarization SAR image,some topics which are worth studying further are proposed.更多还原