| 摘要 |
PURPOSE:To make a gain large and to make a directional pattern excellent by directly mounting an equipped antenna module on the surface of a satellite main body and making one of axes of a satellite fixed coordinate system equal to an electrical bore sight direction turned except the equator of the antenna main reflection mirror. CONSTITUTION:In the three axes stabilization type still satellite equipped with antenna, the antenna module equipped with the antenna main reflection mirror and an antenna tower, etc., is directly mounted on the surface of the satellite main body and one of the axes of the satellite fixed coordinate system is made equal to the electrical boresight direction turned except the equator of the antenna main reflection mirror. Thus, a member is not especially needed for mounting the antenna module and the reference boresight and the electrical boresight of the antenna can be made to coincide. In order to control in this state, for example, the rotary axis of a momental wheel is made to be tilted more than usual and the coordinate system of an earth sensor is made to correspond to the tilt of the rotary axis of the momental wheel to rotate.
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