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Time-frequency analysis of frames

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Proceedings of IEEE-SP International Symposium on Time- Frequency and Time-Scale Analysis
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The theory of frames is fundamental to timefrequency (TF or time-scale signal expansions like Gabor ysis of frames via two "TF frame representations" called the Weyl symbol and Wigner distribution of a frame. The T F analysis shows how a frame's properties depend on the signal's T F location and on certain frame parameters. I N T R O D U C T I O N Linear time-frequency (TF) or time-scale signal expansions like the Gabor expansion or the wavelet transform [1]-31 are often based on nonorthogonal

doi:10.1109/tfsa.1994.467365
fatcat:hi6o6c4ypnhgrdoayemb62v5ji