Standard No.:	GB/T 11299.4-1989
English Name:	Methods of measurement for radio equipment used in satellite earth stations; Part 1: Measurements common to sub-systems and combinations of sub-systems; Section four:Measurements in the baseband
Chinese Name:	卫星通信地球站无线电设备测量方法 第一部分: 分系统和分系统组合通用的测量 第四节:基带测量
Chinese Classification:	M35    Satellite 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:	Ministry of Electronics Industry
Issued on:	1989-03-01
Implemented on:	1990-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	150.0
Delivery:	via email in 1~3 business day

本标准给出的基本测量，适宜于分系统（例如放大器），同样也适用于模拟一个卫星通信地球站的分系统组合。本标准规定了下列参数的测量方法：a输入和输出阻抗（回波损耗）；b输入和输出电平；c基带增益或损耗；d振幅/频率特性；e群时延/频率特性；f非线性幅度失真；g微分增益和微分相位失真。与特定基带信号有关的参数测量方法，例如频分多路复用电话或电视传输，在本系列标准第三部分的有关条款中给出。