tools_fri_doa_plane.py 文件源码

def mtx_fri2visi_ri(M, p_mic_x, p_mic_y, D1, D2):
    """
    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: a vector that contains microphones x coordinates
    :param p_mic_y: a vector that contains microphones y coordinates
    :param D1: expansion matrix for the real-part
    :param D2: expansion matrix for the imaginary-part
    :return:
    """
    return np.dot(cpx_mtx2real(mtx_freq2visi(M, p_mic_x, p_mic_y)),
                  linalg.block_diag(D1, D2))