用通用DSP实现话带MODEM  

Developing Voice band MODEMs via the General Purpose DSP

作　　者：程雨 张春 王志华 

出　　处：《数字通信》1998年第3期6-8,51,共4页Digital Communications and Networks

摘　　要：概述了设计话带ＭＯＤＥＭ时所要考虑的基本问题。介绍了一种用通用ＤＳＰ设计的ＭＯＤＥＭ，并讨论了相应的控制程序和调制、解调程序的设计方法和结构框图，而且设计了一个简单实用的握手协议。最后，进一步分析了这种ＭＯＤＥＭ的特点和它的应用前景。This paper outlines the basic problems to be considered in the designing of a voice band MODEM, introduces a MODEM designed via the general purpose DSP,discusses corresponding algorithm schemes and program samples for MODEM control and digital modulation and demodulation,designs a simple but practical handshaking protocol,and finally analyses the characteristics of this MODEM and its application prospects.

关 键 词：话带MODEM 通用DSP 握手协议 调制解调器 

分 类 号：TN76[电子电信—电路与系统] TN911.72