Standard No.:	GB/T 4958.12-1988
English Name:	Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3:Simulated systems-Section Four Measurements for f.d.m. transmission
Chinese Name:	地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第四节:频分复用传输的测量
Chinese Classification:	M34    Microwave 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:	The ministry of post and telecommunications
Issued on:	1988-3-28
Implemented on:	1989-2-1
Status:	abolished
Abolished on:	2017-12-15
Superseding:	SJ/Z 9094.13-1987 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3: Simulated systems--Section 4: Measurements for F. D. M. transmission
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准适宜和于传输频分复用（f.d.m.）电话的仿真无线电接力系统基带基带噪声性能的测量。这些测量与信号有关。是GB4958.9《地面无线电接力系统所用设备的测量方法第三部分：仿真系统的测量第二节基带测量》所列项目的补充。第二节中规定的测量通用于电话电视及声音节目的传输。