FIR 底通和带通滤波器和IIR 底通和带通滤波器，matlab开发工具箱中的支持向量机，信号处理中的旋转不变子空间法，包含位置式PID算法、积分分离式PID，已调制信号计算其普相关密度，在matlab环境中自动识别连通区域的大小。-Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, matlab development toolbox support vector machine, Signal Processing ESPRIT method, It contains positional PID algorithm, integral separate PID, Modulated signals to calculate its density Pu-related, Automatic identification in the matlab environment the size of the connected area.