radio-communication frequencies

Considering the shortage of VHF ( Very High Frequency) radio frequencies in aeronautical telecommunication in China, a method of decreasing channel spacing from 25 kHz to 8.33 kHz is presented.

针对我国航空通信中VHF（Very High Frequency）频率资源紧张的现状，提出将信道间隔从25kHz减小到8.33kHz的解决方法。

Frequency range from audio, video, radio frequency to microwave frequencies.

频率范围由音频 、 视频 、 射频到微波波段.

The department will make sure that newly launched satellites don't use radio frequencies that would interfere with existing satellites, and schedule when such new satellites can be launched.

该部门将确保新发射的卫星不使用会干扰现有卫星的无线电频率，安排新卫星的发射时间。

Radio wave: Wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves.

无线电波: 电磁波谱中比红外辐射频率更低的电波部分.

An analysis of the observation of solar radio burst at three frequencies at Yunnan Observatory during the solar cycle 21

21太阳周峰年期云南天文台三波段射电爆发观测的分析

A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted.

高射电频率或光学频率的波阵面进入大气时受到畸变.

A New Design of the Coaxial Thermal Converter at Radio Frequencies

高频同轴热电转换器新方案的探讨

The Result of Solar Radio Synchronous Observation of High Time Resolution at Three Frequencies

太阳射电三频率高时间分辨率三年同步观测的结果

This radio station broadcasts on three different frequencies.

这家电台用三种不同的周率广播.

Permeable to electromagnetic radiation of specified frequencies , as to visible light or radio waves.

一种波长比可见光长比无线电波短的电磁射线.