宇航计测技术 ›› 2013, Vol. 33 ›› Issue (5): 27-30.doi: 10.12060/j.issn.1000-7202.2013.05.06

• 论文 • 上一篇    下一篇

数字通信系统信噪比参数的测量方法比较

夏伟1;丁风海1;邱斌1;余清华1   

  1. 1、中国卫星海上测控部,江苏江阴 214431
  • 出版日期:2013-10-15 发布日期:2013-10-15

Digital Communication System’s SNR Parameter Measurement Method Comparison

XIA Wei1;DING Feng-hai1;QIU Bin1;YU Qing-hua1   

  1. 1、China Satellite Maritime Tracking and control Department,Jiangyin,Jiangsu 214431
  • Online:2013-10-15 Published:2013-10-15

摘要: 针对数字通信系统中常见的信噪比参数Eb/N0,本文从功率测量、功率谱密度测量及矢量分析三个角度出发,分别给出了该参数的测量原理与方法,并通过具体测量实验比较了三种测量方法的各优缺点,对于该参数的实际工程测量具有一定指导意义。

关键词: 信噪比, 数字通信, 测量方法

Abstract: This article discusses three measurement methods of the digital communication system’s SNR parameter, namely power measurement, power spectral density measurements and vector analysis, describe the measurement principles and methods of SNR, and through specific measurement experiment compared above measurement’s advantages and disadvantages, measurement methods discussed in this article has guiding significance for engineering applications.

Key words: SNR, Digital communication, Measurement method