IIRfilter，IIR滤波器 C语言实现-IIRfilter

C code used to generate a mobile to mobile Rayleigh envelop using IIR filter

C++实现多种常用数字信号处理算法，傅里叶变换，FIR滤波器，IIR滤波器，卷积等-C++ implementation of a variety of commonly used digital signal processing algorithms, Fourier transform, FIR filters, IIR filters, convolution, etc.