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Some results on discrete Gabor transforms for finite periodic sequences

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2 Author(s)
Youhong Lu ; Philips Consumer Commun., Piscataway, NJ, USA ; Morris, J.M.

In this correspondence, using linear system theory and frame theory, we address computation methods for analysis and synthesis sequences of the discrete Gabor transform (DGT), where all sequences are periodic with the same period L, and show that the minimum energy solution to the Wexler and Raz (1990) biorthogonal condition and the solution to the frame operator are the same via linear system theory and frame theory

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Signal Processing, IEEE Transactions on  (Volume:46 ,  Issue: 6 )