精品文档---下载后可任意编辑摘要当信源为模拟信号时,在发端需要进行模/数变换,即经抽样、量化、编码,对其幅度和时间离散化处理,使之变成数字信号后再进行传输;在收端将收到的数字信号进行数/模变换,使之还原成模拟信号再送至信宿
本文主要讨论了本文主要讨论了 PCM 系统基于 Matlab 和 Simulink 仿真设计,通过使用 Matlab和 Simulink PCM 编码和解码系统的建模和仿真,结果与理论分析是一致的
【关键词】PCM;MATLAB/Simulink;仿真;编码;解码【论文类型】设计型Title:The design of PCM systemAbstractWhen the source is an analog signal, the originator need for analog / digital conversion, which is a sampling, quantization, coding, its amplitude and time discretization, and then make it into a digital signal for transmission; at the receiving end will receive the digital signal for digital / analog conversion, so that the analog signal and then restore to the sink
This paper mainly studies the this article main research the PCM system based on Matlab and Simulink simulation design, by using Matlab an