中文说明：窗函数法设计一个数字带通FIR滤波器，语音信号的采集与处理，数字信号处理课设，包含位置式PID算法、积分分离式PID，matlab开发工具箱中的支持向量机，可以实现模式识别领域的数据的分类及回归，基于人工神经网络的常用数字信号调制。
English Description：
Design of a digital band pass FIR filter window function method, speech signal acquisition and processing, digital signal processing courses, contains position type PID algorithm, integral separation PID, matlab toolbox development support vector machine can realize pattern recognition in the field of data classification and regression, commonly used digital signal modulation based on artificial neural network.