CHAPTER4

说明：  数字通信（digital telecommunications）是用数字信号作为载体来传输消息，或用数字信号对载波进行数字调制后再传输的通信方式。它可传输电报、数字数据等数字信号，也可传输经过数字化处理的语声和图像等模拟信号。本文档是prokais数字通信的matlab例程第四章源码(Digital telecommunications is a communication method that USES digital signals as carriers to transmit messages, or USES digital signals to carry out digital modulation to the carriers and then transmits them. It can transmit digital signals, such as telegrams and digital data, as well as analog signals, such as voice and image, which have been digitized. This document is prokais digital communication matlab routines chapter four source code)