摘要
针对数字通信系统中常见的信噪比参数E b/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。
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.
出处
《宇航计测技术》
CSCD
2013年第5期27-30,共4页
Journal of Astronautic Metrology and Measurement
关键词
信噪比
数字通信
测量方法
SNR Digital communication Measurement method