delphi 版的 语音自动应答系统。TAPI学习。-delphi version of the automatic voice response system. TAPI learning.

PSk调制解调的系统，按功能模块划分的，对通信原理的学习有很大帮助-The modulation of PSK

通信系统中比较常用的LS及LS+DFT算法的MATLAB仿真平台，用于学习两种方法并比较其性能-Communication systems commonly used LS and LS+ DFT algorithm MATLAB simulation platform for learning both methods and compare their performance