Esempio n. 1
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 def test_unity_with_fft(self):
     ''' This tests the not only that apodization of no arguments has no effect
         on the spectrum, but also it makes sure the 'no_transpose' flag is
         correctly set and reset.
     '''
     spec2d = fromPipe(self.filename)
     apoded_2d = apod(spec2d)
     apoded_ffted_2d = fft1d(apoded_2d)
 
     spec2d = fromPipe(self.filename)
     ffted_2d = fft1d(apoded_2d)
     ts.assert_equal(ffted_2d, apoded_ffted_2d, '2D Apodization unity with FFT failed')
Esempio n. 2
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 def test_apod_with_fft(self):
     spec = fromBruker(self.filename, False, False)
     spec = fft1d(spec, 'fft')
     spec = apod(spec, w=lambda s: EM(s, 0.))
     
     test_data = ngp.fft( ngp.em(self.data) )
     ts.assert_array_equal(spec, test_data, 'Apodization with zero filling and FFT failed.')
     self.assertEqual("apodization" in spec.history._stepnames, True, 'Apodization not added to Spec history')
     self.assertEqual(spec.history._stepnames, ['apodization', 'FFT'], 'Spec history not in the correct order (See fapplyBefore)')
Esempio n. 3
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 def test_zf_with_fft(self):
     spec = fromBruker(self.filename, False, False)
     spec = fft1d(spec, 'fft')
     spec = zf1d(spec, size = 2**15)
     
     test_data = fft(zf_size(self.data, 2**15))
     self.assertEqual(spec.shape[-1], 2**15, 'Spec size is not correct')
     self.assertEqual("ZF" in spec.history._stepnames, True, 'ZF not added to Spec history')
     self.assertEqual(spec.history._stepnames, ['ZF','FFT'], 'Spec history not in the correct order (See fapplyBefore)')
     ts.assert_array_equal(spec, test_data, 'Simple Zero filling falied (see zf_size)')
     self.assertEqual(spec.udic[0]['size'], 2**15, 'udic size not set correctly')