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日本将于1984年2月和1985年8月用N-Ⅱ火箭发射实用广播卫星(BS-2)的轨道工作星(BS-2a)和轨道备份星(BS-2b)。 BS-2与BS的规模和性能基本相同,它继承了BS的研究成果,同时针对BS在运行期间所出现的问题,如通信系统脉冲转发器输出中断、反作用飞轮停转、太阳电池帆板发电不足、三轴控制异常等故障,根据轨道数据,并通过地面仿真试验,找出了故障原因,对BS-2采取了
Japan will launch the BS-2a orbital backup satellite (BS-2b) of the Practical Broadcasting Satellite (BS-2) from N-II in February 1984 and August 1985. BS-2 and BS are basically the same size and performance. It inherits the research results of BS and at the same time, it addresses the problems that arise during the operation of BS, such as interruption of output of pulse transponder in communication system, reaction flywheel stalling, solar panel power generation Insufficient, three-axis control abnormalities and other failures, according to the orbit data, and through the ground simulation test to identify the cause of the malfunction, taken on the BS-2