中文说明：快速扩展随机生成树算法，语音信号的采集与处理，数字信号处理课设，给出接收信号眼图及系统仿真误码率，包含位置式PID算法、积分分离式PID，在matlab R2009b调试通过，有CDF三角函数曲线/三维曲线图。
English Description：
The rapid expansion of the random spanning tree algorithm, the speech signal acquisition and processing, digital signal processing course design are receiving eye diagram of signal and system simulation of bit error rate (BER), contains position type PID algorithm, integral separation PID, debugging in MATLAB r2009b, CDF trigonometric curves / three dimensional graph.