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Descripción
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| Shannon's sampling formula has been extended for subspaces of a multiresolution analysis in L^2. Thus, any function in the subspace V_0 of a multiresolution analysis can be recovered from its samples at the shifted integers {a+n}_by means of a sampling formula, whenever a certain condition on the Zak transform of the scaling function is satisfied. In this paper it is proved that a natural condition, which involves again the Zak transform of the scaling function, allow us to recover any function in V_0 from its samples at the sequences {a+2n} and {b+2n} by using an appropriate sampling expansion. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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J COMPUT ANAL APPL |
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ISSN
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1572-9206 |
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Factor de impacto JCR
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0,245 |
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Información de impacto
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Volumen
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9 |
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DOI
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Número de revista
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2 |
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Desde la página
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131 |
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Hasta la página
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138 |
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Mes
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ABRIL |
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Ranking
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