Fractional Fourier transform: Time-frequency representation and structural instantaneous frequency identification
Lu Lian, Wei‐Xin Ren, Shidong Wang
Topics & Concepts
Fractional Fourier transformShort-time Fourier transformHarmonic wavelet transformFourier transformNon-uniform discrete Fourier transformMathematicsDiscrete-time Fourier transformConstant Q transformFrequency domainInstantaneous phaseDiscrete Fourier transform (general)Fourier analysisAlgorithmWavelet transformMathematical analysisWaveletComputer scienceDiscrete wavelet transformFilter (signal processing)Artificial intelligenceComputer visionStructural Health Monitoring TechniquesMachine Fault Diagnosis TechniquesUltrasonics and Acoustic Wave Propagation