1. Firstly, the characters of wavelet transform and wavelet packet analysis were introduced. 首先，简略地介绍了小波变换与小波包分析的特点。
2. This is an article on the use of wavelet theory translation invariance threshold approach to general engineering problems. 这是一篇关于小波理论中使用平移不变阈值的方法处理一般工程类问题。
3. Image fusion is an important application of multi-sensor information fusion in image processing area, and use wavelet transform is a bigness breakthrough of study method in this area. 图像融合是多传感器信息融合在图像处理领域的一个重要应用，以小波分析为工具是这一领域研究方法上的重大突破。
