PowerPoint
WAVELETSchool of Mechanical Engineering 1013201083 1013201062 1013201068IMC
CONTENTS1.
3.2.IMC2
1.1 (Wavelet) [1]Haar
Shannon
Gass1.IMC3
1.2 wavelet analysiswavelet analysiswavelet transformmother wavelet(1)(2)(3)1.IMC4
1.3 CWTDWTFWTWPD 1.IMC5
1.3 (Short-time Fourier transform)(STFT) O(N) O(Nlog(N)) NO(Nlog(N)) O(N) 1.IMC6
1.1.3 (Short-time Fourier transform)(STFT) O(N) O(Nlog(N)) NO(Nlog(N)) O(N) IMC7
2. A.Grossman19841981J.stormbergY.MeyerS.mallatMallat(Mallat)IMC8[A]Wavelet
3.IMC
IMCY.Meyer MayerP.LemarieG.battleY.MeyerS.mallatSMallat(Mallat)L.Daubechies
10
IMC , , , , ,
11[B]Wavelet
3.IMCWavelet3.
IMC131. 1.1 2
IMC1. 1.2
q . IMC Wavelet[1]+2.
D9/7
h00.602 949 018 236 357 9h10. 266 864 118 442 872 3h2- 0.078 223 266 528 988h3- 0.016 864 118 442 875h40.026 748 757 410 809 8g01.115 087 052 456 994g1- 0.591 271 763 114 24g2- 0.057 543 526 228 49g30.091 271 763 114 249IMC162.
[2]
a- 1. 586 134 342b- 0. 052 980 118 54c0.882 911 076 2d0.443 506 852 2k1.149 604 398
9/ 7 IMC3.
=0=0
, . ,, , z - 1, x ( z ) z - 1
IMCWavelet3.
IMC19
[C]Wavelet
3.IMC
IMC
362166339241275754518138
IMC
db5
IMC
Cfs
Fcbf
fisher_score
IMC
IMC3 1 2 3 4
1-8v13
9-16v23
IMC
2,16,,24
2,7,8
IMCThanks!IMC28
FCBF
EAMFAMKCART
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