那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。
The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.
作为美国国家航空航天局和法国国家太空研究中心(French Centre National d'Etudes Spatiales,CNES)的一项联合任务，CALIPSO卫星携带着一部脉冲激光器(激光雷达)，向大气中发射短脉冲激光。
A joint mission between NASA and the French Centre National d'Etudes Spatiales (CNES), CALIPSO carries a pulsating laser (lidar) that sends short pulses of light through the atmosphere.
提出了一种利用中频正交双通道测量雷达发射机射频脉冲序列起伏的新的测量系统，并对此系统进行了理论分析。
This paper introduces a new system for measuring the fluctuation of radar RF pulse series by using IF quadrature dual channel, and gives theoretic analysis of this system.
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