精品文档---下载后可任意编辑专业:通信技术学生:庆朋签名:指导老师:张 鸣 签名: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 system Major: Communications TechniqueName:Meng QingpengSignature:Supervisor:Zhang MingSignature:AbstractWhen 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
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