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针对SZ-7伴随卫星任务,设计了一套动态光学成像环境模拟系统,用于模拟和评估开展近距离空间观测任务的卫星相机的观测效果。提出利用运动分解的原理设计运动系统,仿真成像距离和方位变化、卫星姿态运动以及不同光照条件对成像效果的影响,同时给出了主要设备的技术指标和运动控制关系,试验结果和在轨飞行试验效果证明了该系统的有效性。
Aiming at the SZ-7 satellite mission, a dynamic optical imaging environment simulation system was designed to simulate and evaluate the satellite camera’s observation effect for short-range space observation missions. The principle of motion decomposition is put forward to design the motion system, and to simulate the influence of imaging distance and azimuth change, satellite attitude movement and different illumination conditions on the imaging performance. At the same time, the technical indicators and motion control relationships of the main equipment are given. The experimental results demonstrate the effectiveness of the system.