特征提取python实例代码

# 小波分析进行特征提取的实例代码
# 代码示例
import pywt
import numpy as np

# 创建示例数据
data = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])

# 进行小波变换
coeffs = pywt.wavedec(data, 'haar', level=2)

# 提取特征
cA2, cD2, cD1 = coeffs

# 输出特征
print("cA2:", cA2)
print("cD2:", cD2)
print("cD1:", cD1)