The constant attitude control motions of the satellite often result in a platform that is not stable enough for mounting a high-resolution telescope.The jitter compensation system commands the CCD camera to shift one phase in the appropriate direction so that light from a point of the sun will continue to fall into the same CCD potential well.The CCD pixels phase shift along the detector's columns which are aligned parallel to east-west.The high accuracy sun sensor(HASS) uses two reticles,which one is for e...
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