提出了仿酉两尺度相似变换(PTST)的概念. 讨论了PTST的性质, 并证明了PTST能保持所给的正交多尺度函数的正交性、逼近阶和光滑性. ......

The concept of paraunitary two-scale similarity transform (PTST) is introduced. We discuss the property of PTST, and pro......