def normalize_mean_power(x):
'''
Normalize a vector so that it has energy equal to its length,
ie. mean power equal to 1.0.
Useful to normalize the FFT window.
np.allclose(normalize_window(x), len(x))
'''
return x / mean_power(x)
def create_window(size):
w = scipy.hanning(size)
w = w / mean_power(w)
return w
