sph.py 文件源码

def spherical_extrapolation(order, array_configuration, k_mic, k_scatter=None, k_dual=None):
    """ Factor that relate signals recorded on a sphere to it's center.

    Parameters
    ----------
    order : int
       Order
    array_configuration : ArrayConfiguration
       List/Tuple/ArrayConfiguration, see io.ArrayConfiguration
    k_mic : array_like
       K vector for microphone array
    k_scatter: array_like, optional
       K vector for scatterer  (Default: same as k_mic)

    Returns
    -------
    b : array, complex
    """
    array_configuration = ArrayConfiguration(*array_configuration)

    if array_configuration.array_type is 'open':
        if array_configuration.transducer_type is 'omni':
            return bn_open_omni(order, k_mic)
        elif array_configuration.transducer_type is 'cardioid':
            return bn_open_cardioid(order, k_mic)
    elif array_configuration.array_type is 'rigid':
        if array_configuration.transducer_type is 'omni':
            return bn_rigid_omni(order, k_mic, k_scatter)
        elif array_configuration.transducer_type is 'cardioid':
            return bn_rigid_cardioid(order, k_mic, k_scatter)
    elif array_configuration.array_type is 'dual':
        return bn_dual_open_omni(order, k_mic, k_dual)