Standard No.:	YD/T 828.24-1996
English Name:	Measuring Method of Equipments Used in Digital Microwave Transmission System Part 2 Measurement of Terrestrial Radio-relay Systems Section 4: Transmitter/receiver (Incl. Modulator/demodulator
Chinese Name:	数字微波传输系统中所用设备的测量方法 第2部分:地面无线接力系统的测量 第4节:发射机/接收机(含调制器/解调器)
Chinese Classification:	M34    Microwave communication equipment
Professional Classification:	YD    Professional Standard - Telecommunication
Issued by:	Ministry of Posts and Telecommunications
Issued on:	1996-03-12
Implemented on:	1996-3-12
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	190.00
Delivery:	via email in 1~3 business day

本标准规定无线接力系统中所用的发射机(含调制器)和接收机(含解调器)的测量方法。自适应均衡器的测量方法在YD/T 828.28中给出。
通常 ，只有当接收机具有可供使用的中频输出端时，才可进行AGC特性、选择性和噪声系数以及接收机振荡器频率的测量。具有微波解调器或者低比特率(例如2 Mbit/s以下)的系统中所用接收机可能不是这种情况。