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作为天基系统的重要遥感遥测手段,星载激光高度计具有高精度、高分辨率、垂直分辨等优点,在地形地貌测绘、深空探测、全球预警和监测等方面具有独特的优势,发展前景十分广阔。对星载激光测高技术的发展过程进行了介绍,分别阐述了星载激光高度计及多光束推帚式激光高度计的工作原理,分析了多光束推帚式探测技术中多束激光并行发射、激光器技术和激光回波的阵列探测等关键技术,并介绍了星载激光测高技术的应用情况,最后对空间多光束激光探测技术的发展前景及我国星载激光测高技术的发展进行展望。
Spaceborne laser altimeter has the advantages of high precision, high resolution and vertical resolution as the important remote sensing telemetry means of space-based system. It has unique advantages in terrain mapping, deep space exploration, global warning and monitoring, broad. The development of satellite-based laser altimetry technology is introduced. The working principle of spaceborne laser altimeter and multi-beam broom laser altimeter are described respectively. In the multi-beam pushbroom detection technology, multi-beam laser parallel launch, laser Technology and laser array array detection and other key technologies, and introduced the application of spaceborne laser altimetry technology. Finally, the prospects for the development of space multi-beam laser detection technology and the development of China’s spaceborne laser altimetry technology are prospected.