我国科研团队开发的新型合成孔径雷达（SAR）三维成像技术4月9日正式发布。此项技术可大幅减少SAR三维成像所需的数据采集量，同时提升成像精度，将为遥感测绘、灾害监测等提供有力支撑。据介绍，SAR是高分辨率对地观测的重要手段之一，不受天气和光照因素影响，具有全天时、全天候优势。然而，此前国内外采用的SAR三维成像技术体制主要依赖孔径扩展以获得第三维信息，导致数据采集周期过长，或观测通道多、硬件系统复杂等，严重制约了SAR三维成像的应用和推广。
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