field.py 文件源码

def managed_window(self,axismanager, data, windowaxis):

        def window_axis_function(a, window):
            a = a * window
            return a

        newaxis = axismanager.current_axis_number(windowaxis)

        N = data.shape[newaxis]
        window = np.hanning(N)

        # Save "window summed and squared" (see Numerical Recipes)
        wss = np.sum(window**2.0)/float(N)

        # Apply window
        windoweddata = np.apply_along_axis(window_axis_function, 
                                           newaxis, data, window)

        return windoweddata, wss