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Spectral analysis using Fourier Transform techniques
Author(s) -
Resch Francois J.,
Abel Rudolf
Publication year - 1975
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620090408
Subject(s) - fourier transform , classification of discontinuities , discrete fourier transform (general) , non uniform discrete fourier transform , discrete time fourier transform , fourier analysis , algorithm , spectral density estimation , computer science , short time fourier transform , fourier transform on finite groups , harmonic wavelet transform , mathematics , mathematical analysis , computer vision , wavelet transform , wavelet , discrete wavelet transform
The present study is intended as a guide for those who wish to undertake spectral analyses using Discrete Fast Fourier Transforms. Points of particular difficulty in using Fourier Transforms are derived in some detail. Experimental results are offered to illustrate the mathematical derivations. Finally the case of a signal with discontinuities along the time‐axis is discussed.