Geodesic
Integral transforms associated with orthogonal finite functions in the spectral analysis of signals
Matematičeskoe modelirovanie, Tome 18 (2006) no. 7, pp. 93-100.

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The integral OFF-transforms based on the use of orthogonal finite functions (OFF) are considered. Inverse discrete and integral OFF- transforms are obtained. Their effectiveness is revealed in the tasks of signals restoring and noise reduction. On the basis of proposed OFF complex OFF (COFF) and integral COFF- transforms are constructed. A study of effectiveness OFF- and KOFF- transforms in the tasks of the spectral analysis of the mathematical models of signals is conducted on the basis of comparison with the integral wavelet-transforms. 
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V. L. Leont'ev; E. A. Rikov. Integral transforms associated with orthogonal finite functions in the spectral analysis of signals. Matematičeskoe modelirovanie, Tome 18 (2006) no. 7, pp. 93-100. http://geodesic.mathdoc.fr/item/MM_2006_18_7_a7/

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