thinkdsp.py 文件源码

def convolve(self, other):
        """Convolves two Spectrums.

        other: Spectrum

        returns: Spectrum
        """
        assert all(self.fs == other.fs)
        if self.full:
            hs1 = np.fft.fftshift(self.hs)
            hs2 = np.fft.fftshift(other.hs)
            hs = np.convolve(hs1, hs2, mode='same')
            hs = np.fft.ifftshift(hs)
        else:
            # not sure this branch would mean very much
            hs = np.convolve(self.hs, other.hs, mode='same')

        return Spectrum(hs, self.fs, self.framerate, self.full)