为了要发现目标和确定其位置，任何雷达站基本上都必须包括发射机、接收机、天线、天线转换开关、显示器和定时装置。
Tofind a target and determine its position, any radar station has to basically consist of a transmitter, a receiver, an antenna, an antenna duplexer, a display and a timer.
这个是发射机,发射频率是，这是接收机,接收频率f撇。
Let this be the transmitter f which produces frequency f, and here is the receiver which receives the frequency f prime.
移动通信系统中的信号传输方法，发射机，接收机和扩展码同步法。
Signal transmission method, transmitter, receiver and expanding code synchronous method in mobile communication system.
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