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020 _a9783030470470
040 _cIIT Kanpur
041 _aeng
082 _a5152433
_bM298f
100 _aMalozemov, Vasily N.
245 _aFoundations of discrete harmonic analysis
_cVasily N. Malozemov and Sergey M. Masharsky
260 _bBirkhauser
_c2020
_aSwitzerland
300 _axv, 247p
440 _aLecture notes in applied and numerical haromonic analysis
490 _a / edited by John J. Benedetto
520 _aThis book provides an introduction to discrete harmonic analysis (DHA) with a view towards applications to digital signal processing. In a nutshell, DHA is used to determine the time-frequency structure of a digitized signal, providing a representation of the signal as a sum of spectral components that can then be analyzed.The main methods of DHA are discrete Fourier transform and other discrete orthogonal transforms such as the Walsh and Haar transforms. Fast algorithms are used to process signals in real time, while additional options are provided by spline harmonic analysis. These topics are carefully covered in the book. With only modest prerequisites, some of which are recalled at the beginning, a profound mathematical theory is built almost from scratch. The 150 exercises included form an integral part of the text.Based decades of teaching experience, this book provides a basis for lecture courses starting at the upper undergraduate level, and will also prove a valuable resource for mathematicians and engineers interested in digital signal
650 _aHarmonic analysis
650 _aNumerical analysis
650 _aFunctional analysis and transforms
700 _aMasharsky, Sergey M.
942 _cBK
999 _c567326
_d567326