1GRASSBERGER P,PROCACCIA I.Measuring the strangeness of strange attractors[J].Physica D,1983,9:189-208.
2RAINER Hegger,HOLGER Kantz,MATASSINI Lorenzo.Noise reduction for human speech signals by local projections in embedding spaces[J].IEEE Transactions on Circuits and Systems-I:Fundamental Theory and Applications,2001,48(12):1454-1461.
3SUN Jun-feng,ZHANG Jie,MICHAEL Small.Extension of the local subspace method to enhancement of speech with colored noise[J].Signal Processing,2008,88:1881-1888.
4LORENZO Matassini,HOLGER Kantz.Optimizing of recurrence plots for noise reduction[J].Physical Review E(S1063-651X),2002,65(2):1-6.
