1) frequency modulation telecommunication system
调频通讯制
2) frequency odulation telecommunication system
调频通信制
3) spread spectrum communication
扩频通讯
1.
One method of transmitting physiological data through wireless spread spectrum communication;
通过扩频通讯实现生理数据无线传输
6) radio communication
射频通讯
1.
The noise source and its magnitude of the plasma antenna and their affects on the performance of the radio communication system were discussed.
实验结果表明等离子体天线可以代替金属天线用于射频通讯。
补充资料：调频
载波的瞬时频率按调制信号的变化而变，但振幅不变的调制方式。载波经调频后成为调频波。用调频波传送信号可避免幅度干扰的影响而提高通信质量。广泛应用在通信、调频立体声广播和电视中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条