channelizer.py 文件源码

def update_references(self, frequency):
        # store decimated reference for mix down
        # phase_drift = 2j*np.pi*0.5e-6 * (abs(frequency) - 100e6)
        ref = np.exp(2j*np.pi * -frequency * self.time_pts[::self.d1] + 1j*self._phase, dtype=np.complex64)

        self.reference   = ref
        self.reference_r = np.real(ref)
        self.reference_i = np.imag(ref)