Efficient Analysis and Synthesis Using a New Factorization of the Gabor Frame Matrix.
IEEE Transactions on Signal Processing(2018)
摘要
In this paper, we consider the case in which one needs to carry out Gabor analysis and synthesis on large signals using a short support analysis window and its corresponding, possibly longer canonical dual window, respectively. In this asymmetric context, we propose a novel factorization of the Gabor frame operator that exploits its strong and well-known structure and leads to a computational cost...
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关键词
Microsoft Windows,Signal processing algorithms,Matrix decomposition,Transforms,Signal processing,Frequency synthesizers,Time-frequency analysis
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