def test_modulation_gabor(self):
"""Both should be equivalent for deltas centered at the eigenvalues."""
f = filters.Rectangular(self._G, 0, 0)
f1 = filters.Modulation(self._G, f, modulation_first=True)
f2 = filters.Gabor(self._G, f)
s1 = f1.filter(self._signal)
s2 = f2.filter(self._signal)
np.testing.assert_allclose(s1, s2, atol=1e-5)
def test_modulation(self):
f = filters.Rectangular(self._G, None, 0.1)
# TODO: synthesis doesn't work yet.
# f = filters.Modulation(self._G, f, modulation_first=False)
# self._test_methods(f, tight=False, check=False)
f = filters.Modulation(self._G, f, modulation_first=True)
self._test_methods(f, tight=False, check=False)
self.assertRaises(ValueError, filters.Modulation, graphs.Sensor(), f)
f = filters.Regular(self._G)
self.assertRaises(ValueError, filters.Modulation, self._G, f)