tools_fri_doa_plane.py 文件源码

def mtx_fri2visi_ri_multiband(M, p_mic_x_all, p_mic_y_all, D1, D2, aslist=False):
    """
    build the matrix that maps the Fourier series to the visibility in terms of
    REAL-VALUED entries only. (matrix size double)
    :param M: the Fourier series expansion is limited from -M to M
    :param p_mic_x_all: a matrix that contains microphones x coordinates
    :param p_mic_y_all: a matrix that contains microphones y coordinates
    :param D1: expansion matrix for the real-part
    :param D2: expansion matrix for the imaginary-part
    :return:
    """
    num_bands = p_mic_x_all.shape[1]
    if aslist:
        return [mtx_fri2visi_ri(M, p_mic_x_all[:, band_count],
                                p_mic_y_all[:, band_count], D1, D2)
                for band_count in range(num_bands)]
    else:
        return linalg.block_diag(*[mtx_fri2visi_ri(M, p_mic_x_all[:, band_count],
                                                   p_mic_y_all[:, band_count], D1, D2)
                                   for band_count in range(num_bands)])