中文说明： 小波包分析提取振动信号中的特征频率，外文资料里面的源代码，包括四元数的各种计算,旋转机械二维全息谱计算，音频信号通过LM386放大，完整的图像处理课设，包含所有源代码，汽车图像。
English Description：
Wavelet packet analysis to extract characteristic frequency of vibration signal and foreign material inside the source code, including various calculations of quaternion, rotating machinery two-dimensional holographic spectrum calculation, audio signal amplification by LM386, complete image processing courses, contains all the source code, the car image.