System architecture design 系统结构设计 Telecommunication receiving equipment 通信接收设备 Theory of remote sensing by radar 雷达遥感理论 ..
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在通信设备，特别是通信接收设备中起着非常重要的作用。
It is very important in communication equipments, especially in the receiving part.
这颗卫星上装有无线电收发设备和电源，可对信号接收、处理、放大后再发射，从而大大提高了通信质量。
Telstar is launched as the first "active" communications satellite—active as in amplifying and retransmitting incoming signals, rather than passively bouncing them back to Earth.
本地主控机通过RS485总线向现场信号采集设备发送控制指令并接收采集的测试数据，从而实现对rs485总线通信的控制。
The local controller sends steering order to field signal-acquisition equipments and receives test data from RS485 bus, thereby communication control of RS485 bus was realized.
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