幅相特性对矢量信号分析性能影响  

The Affection Brought up by Magnitude and Phase in Vector Signal Analysis

作　　者：陈向民[1] 张辉[2] 

机构地区：[1]中国电子科技集团公司第41所 [2]合肥工业大学

出　　处：《电子测量技术》2005年第3期1-3,共3页Electronic Measurement Technology

摘　　要：文中介绍矢量信号分析仪射频到中频的接收通路,分析测量通路通带内的幅度波动特性、群时延波动特性和放大器非线性失真,以及这些因素对数字解调分析的性能影响,并且讨论补偿修正的重要性和方法。In this peper, the receiver circuit of the vector signal analyzer is introduced simply, magnitude distortion and gtou- delay distortion and nonlinearity of the amplifier of the receiver are analyzed, the affection based on digital bemodulation brought up by these factor is also analynd, and it is discussed the importance of compensating and the method of compensating.

关 键 词：性能影响 幅相特性 矢量信号分析仪 波动特性 非线性失真 分析测量 解调分析 放大器 群时延 通路 接收 射频 幅度 通带 

分 类 号：TN943.6[电子电信—信号与信息处理] TQ127.11[电子电信—信息与通信工程]