Method for improving computation precision in fast Fourier transform
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United States of America Patent
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Issued Date -
Feb 7, 2008
app pub date -
Aug 1, 2006
filing date -
Aug 1, 2006
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Abandoned
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Abstract
A method for improving precision in FFT calculations. For each iteration in an FFT implementation, a constant normalization multiplier is inserted such that the dynamic ranges of the input and output are the same. The final FFT output is multiplied by a constant normalization factor given by the number of iterations and the constant normalization multiplier.
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