说明：  小波的特点和发展，波分析在一维信号处理中的应用，小波分析在图象分析中的应用，包括图象特征抽取，图像压缩，数据隐藏和图象水印
(Wavelet characteristics and development, wave analysis of one-dimensional signal processing, wavelet analysis in image analysis, including image feature extraction, image compression, data hiding and image watermarking)