Tracking system of moving-body antenna for moving-body satellite communication
专利汇可以提供Tracking system of moving-body antenna for moving-body satellite communication专利检索，专利查询，专利分析的服务。并且PURPOSE:To enable the execution of tracking by a very simple circuit construction, by receiving beacon waves of a plurality of geostationary satellites by means of one antenna. CONSTITUTION:A moving body 2 is equipped basically with an antenna device 3 comprising one antenna 3a and a control means to drive and control this antenna, a beacon power detector 6 detecting the power of a beacon signal delivered by a geostationary satellite 1-1 out of the outputs of a down converter 5, a beacon power detector 7 detecting the power of a beacon signal delivered by a geostationary satellite 1-3 out of said outputs, and a comparator 8 receiving the outputs of the two detectors 6 and 7 and delivering to the device 3a control signal for making the device control the direction of the antenna 3a. The powers of the respective beacon signals of the satellites 1-1 and 1-3 received by the antenna 3a are measured by the detectors 6 and 7 respectively, the results of measurement are compared with each other by the comparator 8, and a directional error of the antenna 3a is detected therefrom. Based on the result of detection, the antenna 3a is controlled so that it be directed to a geostationary satellite 1-2.，下面是Tracking system of moving-body antenna for moving-body satellite communication专利的具体信息内容。
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