fft_tingz.py 文件源码

def bandpass(data_list, min_hz, max_hz):

    fft_list = rfft(data_list)

    # Filter
    for i in range(len(fft_list)):
        if not (min_hz < i/2+1 < max_hz): fft_list[i] = 0

    result_vals = irfft(fft_list)

    return result_vals