matlab整数变换，整数Haar小波变换的水印嵌入，pdf电子书

详细讲解信号处理的pdf,里面包含了FFT，小波，希尔伯特-黄变换等内容，是信号处理方面很好的参考资料-Explain in detail the signal processing pdf, which contains the FFT, wavelet, Hilbert- Huang Transform, etc., is a good reference for signal processing, data

基于小波变换和二维非负矩阵分解的人脸识别算法.pdf-Based on wavelet transform and two-dimensional non-negative matrix factorization algorithm for face recognition. Pdf