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引言穿越式红外地平仪在扫描冷空间和地球过程中,敏感出地球和冷空间的红外辐射差异而产生电信号,经处理后,得到必要的卫星姿态信息。因此,当地平仪扫描到空间任何一个星体(如太阳、月球)时,所接受的红外辐射能量如果与地平仪扫到地球时接收的红外辐射能量可相比拟,则地平仪即可敏感它们,并产生干扰信息。所以,地平仪设计中的一个重要问题是消除太阳和月球干扰。我国通信卫星红外地平仪的太阳干扰问题已有一些文章作了说明,这里不再赘述。
Introduction During the scanning of cold and earth, the transit type infrared horizon sensitively senses the difference of infrared radiation between the earth and the cold space and generates electrical signals. After processing, the satellite attitude information is obtained. Therefore, when the gradiometer scans any one of the space objects (such as the sun and the moon), the level of infrared radiation energy it receives can be compared to the amount of infrared radiation it receives when it is swept to Earth. And generate interference information. So, one of the major issues in the design of the horizon is the elimination of the sun and the moon. There are some articles on the issue of solar interference of China’s communications satellite infrared horizon, which will not be repeated here.