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一、引言日本的卫星广播(BS)开始于1984年5月12日,现作为NHK第一套卫星广播电视,主要播送综合性电视节目。个别接收卫星广播节目时,必须备有BS天线、BS变频器和BS调谐器,而集团接收时可共同使用接收系统的BS天线和BS变频器,所接收的信号可用电缆分配出去,在各用户端只需配备一个BS调谐器即可收看卫星广播电视。
I. INTRODUCTION Japan’s satellite broadcasting (BS) started on May 12, 1984 and is now used as NHK’s first satellite broadcasting television program to broadcast comprehensive television programs. When receiving individual satellite broadcasting programs, BS antennas, BS inverters and BS tuners must be provided. When the group receives BS antennas and BS inverters of the receiving system, the received signals can be distributed by cables. In each user Only with a BS tuner to watch satellite radio and television.