J. Du and Y. Hou (PRC)
roller eccentricity; spectrum estimation; improving Prony method
The method of modern spectrum estimation in roller eccentricity is discussed in this paper. A dual--sine wave signal was calculated by simulation with FFT(fast Fourier transform) and improving Prony method, it is showed the improving Prony method has high frequency discrimination accuracy than FFT in the spectrum estimation field. The improving Prony method can be applied in the roller eccentricity estimation of frequency and phase and swing, then parameter model can be estimated or calculated
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