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为了对空间相机实时进行检调焦 ,本文介绍了一种自准法检焦系统的原理 ,并对测量数据的处理方法进行了分析。仿真实验结果表明信号的相关处理法和质心探测法在较低的信噪比下具有很高的测量精度和重复性。
In order to detect and focus the space camera in real time, this paper introduces the principle of a self-alignment inspection system, and analyzes the measurement data processing methods. The simulation results show that the signal correlation method and the centroid detection method have high measurement accuracy and repeatability at a low SNR.