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Characteristics of two-directional univariate wavelet packets

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2 Author(s)
Qingjiang Chen ; School of Science, Xi'an University of Arch, and Tech., Nanyang 473004, China ; Xuehai He

Wavelet analysis is a popular subject in science research. In this work, the concept of biorthogonal two-direction finitely supported wavelet packets with four-scale is introduced. A new method for designing two-direction biorthogonal wavelet packets is developed and their properties is investigated by means of time-frequency analysis method, matrix theory and operator theory. The decomposition relationship is established. Lastly, two Riesz bases of space L2 (R) are drawn from these wavelet packets.

Published in:

Information Management and Engineering (ICIME), 2010 The 2nd IEEE International Conference on

Date of Conference:

16-18 April 2010