Title :
A method to increase the accuracy of fast Fourier transform calculations for rapidly varying functions
Author_Institution :
Univ. of Rennes, Rennes, France
fDate :
3/1/1981 12:00:00 AM
Abstract :
The calculation may be improved by subtracting beforehand a convenient auxiliary function, chosen in such a manner that the representative curve resulting from the subtraction exhibits only smooth variations.
Keywords :
fast Fourier transforms; auxiliary function; fast Fourier transform; rapidly varying function; Accuracy; Computers; Fast Fourier transforms; Shape; Time domain analysis;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.1981.6312435
