may be last version

By completing the thesis, we have corrected the deficiencies and fixed some bugs.

some-test/db5.py

@@ -0,0 +1,29 @@
+import pywt
+import matplotlib.pyplot as plt
+
+# 生成DB5小波
+wavelet = pywt.Wavelet('db5')
+
+# 获取尺度函数和小波函数
+phi, psi, x = wavelet.wavefun(level=5)
+
+# 绘制尺度函数和小波函数
+plt.figure()
+plt.subplot(2, 1, 1)
+plt.plot(x, phi)
+plt.title('DB5 Scaling Function (Phi)')
+plt.subplot(2, 1, 2)
+plt.plot(x, psi)
+plt.title('DB5 Wavelet Function (Psi)')
+plt.tight_layout()
+plt.show()
+
+h0=wavelet.dec_lo
+h1=wavelet.dec_hi
+g0=wavelet.rec_lo
+g1=wavelet.rec_hi
+
+print('h0:', h0)
+print('h1:', h1)
+print('g0:', g0)
+print('g1:', g1)