3Riseman T M,Forgan E M.Comparison of maximum,entropy and FFTs of μSR data[J].Physica B,2000,289-290:718-721.
4Jitendran Muthuswamy,Nitish Thakor V.Spectral analysis methods for neurological signals[J].Journal of Neuroscience Methods,1998,83:1-14.
5Wei Liu,Doraiswami R.Robust high resolution spectral estimation:a combined non-parametric-parametric approach[J].Journal of The Franklin Institute,1999,336B:159-184.