In the ultra high frequency system, the frequency compounder section of the transmitting frequency is operated with DDS/PLL technology.

在甚高频系统中，射频的的频率合成器部分采用DDS/PLL技术。

youdao

Range of remote control device can radiate entire flight-run, and transmitting frequency throws no impact on airport and airliner communication.

遥控设备的范围可辐射整个飞行区，发射频率对机场和航班的通讯无任何影响。

youdao

This paper introduces the relationship between the high electric conductivity and the transmitting frequency and the structure of the composite wire.

文章给出了这种高电导特性与传输频率及导线结构的关系。

youdao