radio frequency modulator的意思|示意

During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .

最后，经过七天的竞价，诺沃辛卖出了四件零件，包括以500美元的售价卖出一个雷达调节器和以32美元卖出一个高频无线电电路板。

The transmission performance of the MSK modulator is very superior in a frequency band limiting and power-limiting radio channel.

MSK调制在限频带、限功率的无线信道中传输性能尤为优越。