1.
distress alerting band in terrestrial VHF communication services
地球甚高频通信海难警戒波段
2.
distress alerting band in terrestrial medium frequency communication services
地球中频通信海难警戒波段
3.
VHF square wave generator
甚高频方波信号发生器
4.
VHF land mobile radio communication equipment
甚高频陆地移动无线通信设备
5.
advanced VHF communication system
先进甚高频通信系统
6.
very high frequency radio-telephone communicatio
甚高频无线电话通信
7.
"on the other hand, it is imperative to develop high frequency band relay communication system in those poor raining regions."
另一方面，在那些少雨地区急需开发高频段的微波接力通信系统。
8.
Bandwidth: The difference (in hertz) between the upper and lower limits of wave frequencies transmitted over a communications channel.
波段阔度:在一个通信通道中，最高和最低波频率（单位是赫兹）的差别。
9.
Design of Multi-Channel Multi-Frequency HF Ground Wave Radar DDS Digital Signal Generator
多通道多频高频地波雷达DDS数字信号源的设计
10.
Study on Antenna Equipment for Communication of Very low frequency (VLF) Electromagnetic Wave Propagation through Earth
甚低频电磁波穿透地层无线通信系统天线装置的研究
11.
VHF mini-trunking radio system
甚高频小型中继无线通信系统
12.
VHF navigation-communication receiver
甚高频导航通信两用接收机
13.
vehicle-to-ground VHF telemetry
甚高频空间对地球遥测技术
14.
Tracking algorithm for maneuvering target with dual - wave band ERST
双波段红外警戒机动目标的跟踪算法
15.
very high frequency radio-telephone channel
甚高频无线电话波道
16.
Design and Realization on Sonar Information Processing and Communication for Sea Area Alert System
海上区域警戒声纳信息处理及通讯系统的设计与实现
17.
high altitude VDR
高空甚高频全向信标
18.
C-band LNB for earth statio
C波段卫星地面站高频头