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Content available Time invariant property of weighted circular convolution and its application to continuous wavelet transform
Yi Hua, Ru Yu-Le, Dai Yin-Yun
Bulletin of the Polish Academy of Sciences. Technical Sciences
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2021
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Vol. 69, nr 4
art. no. e137726
EN
Time invariant linear operators are the building blocks of signal processing. Weighted circular convolution and signal processing framework in a generalized Fourier domain are introduced by Jorge Martinez. In this paper, we prove that under this new signal processing framework, weighted circular convolution also has a generalized time invariant property. We also give an application of this property to algorithm of continuous wavelet transform (CWT). Specifically, we have previously studied the algorithm of CWT based on generalized Fourier transform with parameter 1. In this paper, we prove that the parameter can take any complex number. Numerical experiments are presented to further demonstrate our analyses.
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