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A fast algorithm for calculating the dual Gabor window with integer oversampling

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2 Author(s)
N. K. Subbanna ; Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel ; Y. C. Eldar

We consider Gabor expansion of signals that are oversampled in the time-frequency domain by an integer factor. We demonstrate that using a combination of nonminimum norm dual windows and discrete Fourier transforms (DFT), we can obtain the Gabor expansion very efficiently. The conventional method used to solve this problem is compared with our method and the advantages of our method are explicitly shown.

Published in:

Electrical and Electronics Engineers in Israel, 2004. Proceedings. 2004 23rd IEEE Convention of

Date of Conference:

6-7 Sept. 2004