Satellite communication system
专利汇可以提供Satellite communication system专利检索，专利查询，专利分析的服务。并且PURPOSE:To compensate the variation of the quality of an SCPC system line, by switching the SCPC system transmission electric power modulated by a narrow band signal in steps in accordance with the existence of a large power carriers. CONSTITUTION:The titled system is composed of plural earth stations 2-7 which transmit SCPC system telephone using a television signal and one carrier in each telephone channel by using the same repeater of a satellite 1. A command station 2 transmits/receives both television and telephone signals to concentrically control the SCPC telephone operated by demand assignment multiple access (DAMA) system. At the concentrated control, the command station 2 detects the existence of a television signal, superposes the detected information to a DAMA system common control signal to send the superposed signal and switches the transmitting electric power of the SCPC telephone by two steps. Other earth stations 3-5 receives a command signal included in a common control signal transmitted from the command station 2 and switch the SCPC transmitting electric power by two steps.，下面是Satellite communication system专利的具体信息内容。
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