·详细说明:Goertzel算法是DTMF信号检测的核心,它利用二极点的IIR滤波器计算离散傅立叶变换值,快速有效的提取输入信号的频谱信息。-Goertzel algorithm is the DTMF signal examination core, it uses two extremes the IIR filter computations to be separated Fourier t ...
the program is used to find out the FFT using time in decimation and solves problem of dsp fft ,compared with inbuilt fft and goertzel function , working well given with output also.