Anti-aliasing nonstationary signals detecion algorithm based on interpolation in the frequency domain using the short time Fourier transform-中国Betway体育网页登陆

摘要 Toeliminatethealiasingthatappearedduringthemeasurementofmulti-componentsnonstationarysignals,anovelkindofanti-aliasingalgorithmbasedontheshorttimeFouriertransform(STFT)isbroughtforward.Firstthephysicalessenceofaliasingthatoccursisanalyzed;secondtheinterpolationalgorithmmodelissetupbasedontheHammingwindow;thenthefastimplementationofthealgorithmusingtheNewtoniterationmethodisgiven.Usingthenumericalsimulationthefeasibilityofalgorithmisvalidated.Finally,theelectricalcircuitexperimentshowsthepracticalityofthealgorithmintheelectricalengineering.

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Anti-aliasing nonstationary signals detecion algorithm based on interpolation in the frequency domain using the short time Fourier transform

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