Improved frequency Resolution DFT Eases Teaching FFT Analysis and Provides better Amplitude Accuracy

Keradec, Jean-Pierre
Margueron, Xavier

Publication date

May 2005

Publisher

HAL CCSD

Abstract

International audienceFor a signal extension T, DFT and FFT calculate the transform at frequencyies 1/T apart. Duo to this, amplitud of the transform can show more than 36% of discrepancy relatively to exact analytical Fourier Transform and this disagreement looks random

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Improved frequency Resolution DFT Eases Teaching FFT Analysis and Provides better Amplitude Accuracy

Abstract

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Improved frequency Resolution DFT Eases Teaching FFT Analysis and Provides better Amplitude Accuracy

Abstract

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