scholarly journals Appendix D: Introduction to Fourier Series, the Fourier Transform, and the Fast Fourier Transform Algorithm

2015 ◽  
pp. 389-396
Keyword(s):  
Fourier Transform ◽  
Fourier Series ◽  
Fast Fourier Transform ◽  
Fast Fourier Transform Algorithm ◽  
The Fourier Transform

Fast Fourier Transform – Calculation and Interpretation

2008 ◽  
Vol 3 (4) ◽  
pp. 74-86
Author(s):  
Boris A. Knyazev ◽  
Valeriy S. Cherkasskij
Keyword(s):  
Fourier Transform ◽  
Fast Fourier Transform ◽  
Discrete Fourier Transform ◽  
Signal Theory ◽  
Correct Interpretation ◽  
The Fourier Transform ◽  
Application Programs ◽  
Physics Problems

The article is intended to the students, who make their first steps in the application of the Fourier transform to physics problems. We examine several elementary examples from the signal theory and classic optics to show relation between continuous and discrete Fourier transform. Recipes for correct interpretation of the results of FDFT (Fast Discrete Fourier Transform) obtained with the commonly used application programs (Matlab, Mathcad, Mathematica) are given.

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