microwave relay system

Analog microwave relay system

模拟式微波中继系统；模拟微波接力通信系统

Microwave relay system using time division multiple

时分多路复用微波中继系统

Finally , excellent design of microwave relay system for the three stations is ac -

完成了三站微波中继系统的优化设计。

OFDM ( orthogonal frequency division multiplexer ) microwave relay system using frequency division multiple

正交频分多路复用技术，[港]正交多任务分频技术频分多路复用微波中继系统

The experimental receiver has been used in a microwave relay system for TV transmission and digital communication , with satisfactory performances .

所研制的接收机用在传输电视和数字通信的微波转发系统中，已获得良好的试验结果。

The digital microwave relay system is a wireless digital communication technology , which contains with high-frequency microwave technology , digital modulation , integrated digital multiplexing , computer control and communication technology .

数字微波中继系统是近些年发展起来的一项集高频微波技术、数字调制技术、集成数字复接技术、计算机控制及通信技术等于一体的无线数字通信方式。

This paper presents the principles and characteristics of the following modules : power amplifier , phase modulator and up converter , which are used in the transmitter of1GHz microwave relay system .

本文介绍了用于微波中继系统发射机的功率放大器、调相器、上变频器等组件的原理和特性。

Code for construction of railway digital microwave relay communication system

铁路数字微波通信工程施工规范

The analysis of digital microwave relay communication system for coast radio station

海岸电台数字微波接力通信系统分析

Temporary regulation for design of synchronous digital hierarchy ( SDH ) microwave relay telecommunication system engineering

同步数字系列（SDH）微波接力通信系统工程设计暂行规定

The microwave relay communication system had been build at NTSC in during initial period of 1980 ' s. Time and frequency transfer via the microwave system for more than 20 years .

八十年代初，根据中国科学院3262工程的要求，为了进行高精度的时间频率传递，国家授时中心在临潼与蒲城之间建立了微波中继通讯系统。

The discus - sion of the effect on multiplex telephone communication by noise of FM satellite communication sys - tem and microwave relay communication system is also included .

专门讨论了调频制卫星通信和微波中继通信系统中的噪声对多路电话通信的影响。

This paper deals mainly with the project of high performance antenna with only sub-reflector modified and simple step dual mode conical horn as feeder source , and its practicable results have already achieved on antennas of microwave relay communication system .

本文主要介绍仅修正副面，并以简单的台阶双模圆锥喇叭为馈源的高性能天线方案及其在微波中继通信天线上所取得的实用性结果。

Microwave radio relay communication system

微波无线电中继通信系统

Microwave filter is the absolutely necessarily components of modern microwave relay communication system , microwave satellite communications system , information countermeasure system , etc. It is also the most important and most techno-content microwave passive components , its performance always directly affect the quality of system .

微波滤波器是现代微波中继通信、微波卫星通信、电子对抗等系统必不可少的组成部分，同时也是最为最要、技术含量最高的微波无源器件，其性能的优劣往往直接影响到整个通信系统的质量。