S11fit.py 文件源码

def phaseunwrap(array):
    """
    unwraps the phase from a given complex array returning a signal with 0 average phase slope
    """
    data = np.asarray(array)
    phase = np.unwrap(np.angle(data))
    avg = np.average(np.diff(phase))
    data = [x*np.exp(-1j*avg*i) for i,x in enumerate(data)]
#    print(np.average(np.diff(np.angle(data))))
    return np.asarray(data)