scholarly journals The use of filters based on the Fast Fourier Transform applied to DEMs for the objective mapping of karstic features

Geomorphology ◽  
2021 ◽  
pp. 107724
Author(s):  
A. González-Díez ◽  
J.A. Barreda-Argüeso ◽  
L. Rodríguez-Rodríguez ◽  
J. Fernández-Lozano
Keyword(s):  
Fourier Transform ◽  
Fast Fourier Transform ◽  
Karstic Features

Investigation of the stability of periodic motions in a nonlinear automatic control system based on the fast fourier transform

2003 ◽  
Vol 3 ◽  
pp. 297-307
Author(s):  
V.V. Denisov
Keyword(s):  
Fourier Transform ◽  
Control System ◽  
Automatic Control ◽  
Fast Fourier Transform ◽  
Automatic Control System ◽  
Resonance Phenomenon ◽  
Periodic Motions ◽  
Multiply Connected ◽  
Non Linear ◽  
The Stability

An approach to the study of the stability of non-linear multiply connected systems of automatic control by means of a fast Fourier transform and the resonance phenomenon is considered.

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