Standard No.:	GB/T 4958.17-1992
English Name:	Methods of measurement for equipment used in terrestrial radio-relay systems—Part 2： Measurements for sub-systems—Section 6： Diversitytwin-path and hot stand-by equipment
Chinese Name:	地面无线电接力系统所用设备的测量方法 第2部分:分系统测量 第6节:分集,双路和热备用设备
Chinese Classification:	M36    Radio communication equipment
Professional Classification:	GB    National Standard
ICS Classification:	33.060.30 33.060.30    Radio relay and fixed satellite communications systems 33.060.30
Source Content Issued by:	State Technical Supervision Bureau
Issued on:	1992-10-6
Implemented on:	1993-5-1
Status:	abolished
Abolished on:	2017-12-15
Superseding:	SJ/Z 9094.7-1987 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2: Measurements for sub-systems--Setion 6: Diversity, twin-path and hot stand-by equipment
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~3 business day

本标准适用于模拟系统，主要论述在一个无线电接力站上使用两个或多个收信机的分集接收设备测量。为此，我们假设分集设备构成倒换和(或)合成的分集通道电路。尽管除了分集通道设备本身外，发信机、收信机、调制器及解调器等也可能包括在测量范围之内。除分集设备测量外，在本系列标准GB 4958.9《地面无线电接力系统所用设备的测量方法 第二部分：分系统测量 第九节 备用通道倒换设备》中没被论述的双路和热备用设备测量考虑在本标准中。测量要涉及到开关特性和倒换过程特性，应等同适用于备用通道倒换设备测试及分集、双路和热备用设备测量，该内容可在本系列标准GB 4958.9中查阅。