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Irregular wavelet frames
Authors:SUN Wenchang  ZHOU Xingwei
Affiliation:Nankai Institute of Mathematics, Nankai University, Tianjin 300071, China
Abstract:For the non-band-limited functionΨ, a sufficient condition is presented under which 
$${ sqrt {s_j } psi (s_j  cdot  - kb)} $$
is a frame for L2(R). The stability of these frames is studied. For the wavelets frequently used in signal processing, some concrete results are given.
Keywords:frames wavelets  stability of frames
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