test_basic.py 文件源码

def test_absorption_filter(self):
        b = uwa.absorption_filter(200000)
        w, h = sp.freqz(b, 1, 4)
        h = 20*np.log10(np.abs(h))
        self.assertEqual(list(np.round(h)), [0.0, -2.0, -8.0, -17.0])