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Vector sampling theorem for wavelet subspaces |
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| Authors: | CHEN Jun-li LI Xiang LIU Wei-xiao WAN Wang-gen |
| Institution: | School of Communication and Information Engineering,Shanghai University,Shanghai 200072,P.R.China |
| Abstract: | The vector sampling theorem has been investigated and widely used by multi-channel deconvolution,multi-source separation and multi-input multi-output(MIMO) systems.Commonly,for most of the results on MIMO systems,the input signals are supposed to be band-limited.In this paper,we study the vector sampling theorem for the wavelet subspaces with reproducing kernel.The case of uniform sampling is discussed,and the necessary and sufficient conditions for reconstruction are given.Examples are also presented. |
| Keywords: | reproducing kernel wavelet subspaces Riesz basis vector sampling theorem |
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