介绍了国内外合成孔径激光雷达的研究现状, 讨论了其技术体制、工作模式和光学系统特点。给出了一个用于空间目标观测的天基合成孔径激光雷达系统方案, 并对其主要的性能指标和关键技术进行了分析。研究表明: 天基合成孔径激光雷达可以在大前斜视角条件下, 以高数据率对目标实现远距离高分辨率成像。

Research status of synthetic aperture ladar (SAL) at home and abroad was introduced. Technical system, working mode and optical system characteristics were discussed. The system scheme of spaceborne SAL for space target observation was presented, and its performance and key technology were analyzed. The result shows spaceborne SAL can achieve high-resolution imaging of remote space target with high data rate and large squint angle.