在C++环境下的 数字滤波器 Filter 有固定带通滤波器 可变带通滤波器 噪声删除 等-Filter fixed band-pass filter in the digital filter under C++ Setting variable-passband filter noise delete

University of numerical analysis algorithms, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Acquisition and Processing of the speech signal, digital signal processing class-based.