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Nonharmonic Gabor Expansions | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 8، دوره 25، شماره 2، شهریور 2014، صفحه 165-173 اصل مقاله (307.78 K) | ||
| نوع مقاله: Original Paper | ||
| نویسنده | ||
| M. Amini | ||
| Department of Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, | ||
| چکیده | ||
| We consider Gabor systems generated by a Gaussian function and prove certain classical results of Paley and Wiener on nonharmonic Fourier series of complex exponentials for the Gabor expansion. In particular, we prove a version of Plancherel-Po ́lya theorem for entire functions with finite order of growth and use the Hadamard factorization theorem to study regularity, exactness and deficiency of Gabor systems. | ||
| کلیدواژهها | ||
| Gabor system؛ Nonharmonic Fourier series؛ Deficiency؛ Entire functions؛ Order of growth | ||
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