DocumentCode
1509666
Title
A note on “An accurate error analysis model for fast Fourier transform”
Author
Adireddy, Srihari ; Prabhu, K.M.M.
Volume
47
Issue
6
fYear
1999
fDate
6/1/1999 12:00:00 AM
Firstpage
1743
Lastpage
1744
Abstract
The expressions derived by Ma (see ibid., vol.45, p.1641, 1997) for error variance and average power expectation using the model that has been proposed are not accurate. In this paper, all the possible correlations have not been considered. The expressions have been modified to make them exact. Closed-form expressions for the correlation between errors of different stages have been derived. The expressions have been verified by comparing the predicted values using these expressions with the simulation values given by Ma
Keywords
error analysis; fast Fourier transforms; accurate error analysis model; average power expectation; correlation; error variance; fast Fourier transform; simulation values; Closed-form solution; Error analysis; Fast Fourier transforms; Fixed-point arithmetic; Predictive models; Roundoff errors;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.765155
Filename
765155
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