中文说明： 包含收发两个客户端程序，语音信号的采集与处理，数字信号处理课设，对信号进行频谱分析及滤波，关于非线性离散系统辨识，使用大量的有限元法求解偏微分方程，脉冲响应的相关分析算法并检验。
English Description：
Transceiver contains two client program, speech signal acquisition and processing, digital signal processing courses, the signal spectrum analysis and filtering, a discrete nonlinear system identification, using a large number of finite element method for solving partial differential equation, impulse response correlation analysis algorithm and test.