articleTop 10% cited

The interpolated fast Fourier transform: a comparative study

IEEE Transactions on Instrumentation and Measurement · 1992 · Vol. 41(2) · pp. 226–232

J. Schoukens✉(Vrije Universiteit Amsterdam)Rik Pintelon(Vrije Universiteit Brussel)Hugo Van hamme(Vrije Universiteit Brussel)

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Abstract

The properties of five interpolating fast Fourier transform (IFFT) methods (IFFT) are studied with respect to their systematic errors and their noise sensitivity, for a monofrequency signal. It is shown that windows with small spectral side lobes do not always result in a better overall performance of the IFFT method and that time-domain estimators can be more efficient than the analyzed IFFT methods.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>

Advanced Electrical Measurement Techniques Magnetic Properties and Applications Advancements in PLL and VCO TechnologiesFast Fourier transformEstimatorAlgorithmComputer scienceNon-uniform discrete Fourier transformSignal-to-noise ratio (imaging)Signal processingNoise (video)Discrete Fourier transform (general)Fourier transform

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307

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Weighted multipoint interpolated DFT to improve amplitude estimation of multifrequency signal