VC++自适应数字滤波器实验程序的源代码，可生成固定带通滤波器曲线图、可变带通滤波器曲线图、噪声删除、输入输出误差，可设置最低频率和最高频率，Y轴缩放等参数。 -VC++ adaptive digital filter test program' s source code, can generate a fixed band-pass filter curve, curve of the variable band-pass filter, noise removed, the inpu

巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波，并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim