Empirical Mode Decomposition:Methodology:h1&m2EnvelopesandtheMean:h110Data:h1Envelope8EnvelopeMean:m264202-6-8-1200250300350400450500550600Time : second
Empirical Mode Decomposition: Methodology : h1 & m2
Empirical Mode Decomposition:Methodology:h3 &m4EnvelopesandtheMean:h310Data:h3Envelope8EnvelopeMean:m464202-6-8-1200250300350400450500550600Time:second
Empirical Mode Decomposition: Methodology : h3 & m4
Empirical Mode Decomposition:Methodology:h4&m5EnvelopesandtheMean:h410Data:h4Envelope8EnvelopeMean:m564202-6-8-1200250300350400450500550600Time : second
Empirical Mode Decomposition: Methodology : h4 & m5
Empirical Mode DecompositionSifting:to get one IMF componentxct)一m,h,一 m2=2lk-1-mkhk = Ci
Empirical Mode Decomposition Sifting : to get one IMF component 1 1 1 2 2 k 1 k k k 1 x( t ) m h , h m h , . . h m h h c . . − − = − = − = =
Two Stoppage Criteria : SDStandard Deviation is small than a pre-set value.whereE/hk-I(t) - he(t)t=0SD =≥h-F(t)t=0
Two Stoppage Criteria : SD Standard Deviation is small than a pre-set value, where T 2 k 1 k t 0 T 2 k 1 t 0 h ( t ) h ( t ) SD h ( t ) − = − = − =