Safety requirements of radiation for microwave and ultrashort wave communication equipment GB12638-1990微波和超短波通信设备辐射安全要求
In this paper we introduced the design of automatic equilibrium test system based on GPIB ( General Purpose Interface Bus) interface for microwave communication equipment IDU ( InDoor Unit). 介绍了一个基于GPIB(generalpurposeinterfacebus)总线的自动测试系统,实现了由计算机控制的各测量仪器对微波通信设备室内单元(IDU)的均衡性能测试。
A lightning protection system for the microwave communication stations and its equipment is presented in this paper. 本文介绍了由三个子系统构成的微波通信站防雷保护系统及其保护措施。
In the land equipment, microwave communication equipment need resist bad weather conditions and mechanical shock, and require the low profile, in order to camouflage himself. 在地面装备中,微波通信设备要抵抗恶劣的气候条件和机械震动,并且需要天线系统的剖面比较低,这样才能更好的伪装自己。
The applicable schemes of microwave communication subsystem in VTS are discussed in this paper. By the theoretical analysis, and considering several actual cases of VTS, some suggestions about digital microwave communication subsystem are proposed for engineering design and equipment select of microwave communication subsystem. 此文针对船舶交管系统中微波通信子系统应用方案进行了探讨,通过理论分析,并联系VTS系统实际情况,在微波通信子系统工程设计和设备选择方面提出了一些建议。
Itis conducted by measure apparatus in the controllor of computer, which improving test precision and realtime of microwave communication equipment, shorting operation process of system. 与传统手工均衡测试相比该系统提高了微波通信设备测试的精度,实时性并简化了系统的操作过程。
Nokia PCM multiple connector has been used in local area network data transmission through microwave communication in the Mines of Jiangxi Copper Company. This paper introduces the configuration of key equipment in microwave digital communication system and interconnecting mode of intranet. 应用NokiaPCM复接器,将江西铜业公司所属矿山的局域网数据通过微波传输,本文介绍了微波数据通讯系统关键设备配置以及与企业管理网互连的解决方法。
The emphasis is given to analyze the system scheme and its experiments-From the experiments by using the logical control device together with NEC 34 Mb/ s digital microwave communication equipment connected, the possibility of utilizing the back-up channel is fully proven. 研制的实验装置与NEC34Mb/s通信设备的切换盘进行了联调实验,结果表明,利用备用信道是完全可行的。
Some new-type microwave ferrite group-devices are described in this paper, and their applications and developing trend in radar and communication equipment are proposed. 叙述了几种新型的微波铁氧体组件,介绍了它们在雷达和通信设备中的应用及其发展前景。
With the rapid development of microwave communication, technical means has been continuously improved. For the demand of communications equipment integrated, systematic and miniaturization demand is higher and higher. 随着微波通讯的快速发展,技术手段的不断提高,对于通讯设备的集成化、系统化、小型化要求越来越高。
With improvement of the communication transfer rate, bandwith will be wider and the signal interference will be greater. The microwave and millimeter wave communication equipment just to make up for this shortfall. 而且随着通信传输速率的提高,其占用的带宽将越宽,信号间的干扰越大,微波毫米波通信设备正好可以弥补这一不足。
Microwave power amplifier is widely used in wireless communication, radar system, electronic-countermeasure equipment, navigation system and all kinds of industrial equipment. 微波功率放大器被广泛的应用在无线通讯、雷达系统、电子对抗设备、导航系统以及各种现代化工业装备中。
Microwave passive devices made by high temperature superconductor thin films ( HTSTF) are more and more widely used in civilian communication equipment and front ends of radar detection equipment. 利用高温超导薄膜制作的微波无源器件已经越来越广泛的应用于民用和军用通信设备以及雷达侦查设备前端。