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Time-frequency localisation of Shannon wavelet packets |
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| Authors: | Yang J Shen L |
| Affiliation: | Sch. of Math. Sci., Peking Univ., China; |
| Abstract: | It is well known that the 2/spl pi/ minimally supported frequency scaling function /spl phi//sup /spl alpha//(x) satisfying /spl phi//spl circ//sup /spl alpha//(/spl omega/)=/spl chi//sub (-/spl alpha/,2/spl pi/-/spl alpha/)/(/spl omega/), 0 |
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