示例#1
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 def test_instfreq(self):
     """Test instantaneous frequency calculation."""
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     ifreq = fproc.inst_freq(signal)[0]
     self.assertAlmostEqual(ifreq.min(), 0.05, places=2)
     self.assertAlmostEqual(ifreq.max(), 0.3, places=2)
     self.assert_is_linear(ifreq)
示例#2
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 def test_group_delay(self):
     """Test Group delay calculation."""
     n_points = 128
     signal = am.amgauss(n_points, 64, 30) * fm.fmlin(n_points, 0.1, 0.4)[0]
     fnorm = np.arange(0.1, 0.38, step=0.04)
     grp_dlay = fproc.group_delay(signal, fnorm)
     self.assert_is_linear(grp_dlay, 0)
示例#3
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 def test_group_delay(self):
     """Test Group delay calculation."""
     n_points = 128
     signal = am.amgauss(n_points, 64, 30) * fm.fmlin(n_points, 0.1, 0.4)[0]
     fnorm = np.arange(0.1, 0.38, step=0.04)
     grp_dlay = fproc.group_delay(signal, fnorm)
     self.assert_is_linear(grp_dlay, 0)
示例#4
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 def test_instfreq(self):
     """Test instantaneous frequency calculation."""
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     ifreq = fproc.inst_freq(signal)[0]
     self.assertAlmostEqual(ifreq.min(), 0.05, places=2)
     self.assertAlmostEqual(ifreq.max(), 0.3, places=2)
     self.assert_is_linear(ifreq)
示例#5
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 def test_fmlin(self):
     """Test linear frequency modulation."""
     n_points, init_freq, final_freq, center = 128, 0.05, 0.3, 50
     signal, iflaw = fm.fmlin(n_points, init_freq, final_freq, center)
     np.testing.assert_allclose(iflaw,
                                np.linspace(init_freq, final_freq,
                                            n_points))
     self.assert_is_analytic(signal)
示例#6
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 def test_fmlin(self):
     """Test linear frequency modulation."""
     n_points, init_freq, final_freq, center = 128, 0.05, 0.3, 50
     signal, iflaw = fm.fmlin(n_points, init_freq, final_freq, center)
     np.testing.assert_allclose(iflaw,
                                np.linspace(init_freq, final_freq,
                                            n_points))
     self.assert_is_analytic(signal)
示例#7
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 def test_locfreq(self):
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     input_avg_freq = (0.05 + 0.3) / 2.0
     avg_norm_freq, bandwidth = fproc.locfreq(signal)
     self.assertAlmostEqual(avg_norm_freq, input_avg_freq, places=2)
示例#8
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 def test_instfreq(self):
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     ifreq = fproc.inst_freq(signal)[0]
     self.assertAlmostEqual(ifreq.min(), 0.05, places=2)
     self.assertAlmostEqual(ifreq.max(), 0.3, places=2)
     self.assert_is_linear(ifreq)
示例#9
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 def test_locfreq(self):
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     input_avg_freq = (0.05 + 0.3) / 2.0
     avg_norm_freq, bandwidth = fproc.locfreq(signal)
     self.assertAlmostEqual(avg_norm_freq, input_avg_freq, places=2)
示例#10
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 def test_instfreq(self):
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     ifreq = fproc.inst_freq(signal)[0]
     self.assertAlmostEqual(ifreq.min(), 0.05, places=2)
     self.assertAlmostEqual(ifreq.max(), 0.3, places=2)
     self.assert_is_linear(ifreq)
示例#11
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 def test_locfreq(self):
     """Test calculation of localized frequency characteristics."""
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     input_avg_freq = (0.05 + 0.3) / 2.0
     avg_norm_freq, bandwidth = fproc.locfreq(signal)
     self.assertAlmostEqual(avg_norm_freq, input_avg_freq, places=2)
示例#12
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 def test_locfreq(self):
     """Test calculation of localized frequency characteristics."""
     signal, _ = fm.fmlin(128, 0.05, 0.3, 50)
     input_avg_freq = (0.05 + 0.3) / 2.0
     avg_norm_freq, bandwidth = fproc.locfreq(signal)
     self.assertAlmostEqual(avg_norm_freq, input_avg_freq, places=2)