mxne_inverse.py 文件源码

def _window_evoked(evoked, size):
    """Window evoked (size in seconds)"""
    if isinstance(size, (float, int)):
        lsize = rsize = float(size)
    else:
        lsize, rsize = size
    evoked = evoked.copy()
    sfreq = float(evoked.info['sfreq'])
    lsize = int(lsize * sfreq)
    rsize = int(rsize * sfreq)
    lhann = signal.hann(lsize * 2)
    rhann = signal.hann(rsize * 2)
    window = np.r_[lhann[:lsize],
                   np.ones(len(evoked.times) - lsize - rsize),
                   rhann[-rsize:]]
    evoked.data *= window[None, :]
    return evoked