时变调制交叠变换

Proceedings of 27th Asilomar Conference on Signals, Systems and Computers Pub Date : 1993-11-01 DOI:10.1109/ACSSC.1993.342562

J. Kovacevic, M. Vetterli

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引用次数: 5

摘要

考虑时频平面的时变正交拼接问题。一种非常优雅的获得这种贴图的方法是使用时变调制重叠变换。我们提供了构造这些滤波器的方法，通过使用边界或重叠调制交叠变换。使用调制交叠变换的优点是所有的滤波器，无论是在转换还是在分解中，都是通过调制获得的。

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Time-varying modulated lapped transforms

We consider the problem of time-varying orthonormal tilings of the time-frequency plane. A very elegant way of obtaining such tilings is by using time-varying modulated lapped transforms. We offer ways of constructing these, by using either boundary or overlapping modulated lapped transforms The advantage of using modulated lapped transforms is that all the filters, both at transitions and within decompositions, are obtained by modulation.<>

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Proceedings of 27th Asilomar Conference on Signals, Systems and Computers

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