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????,????,???? (???

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1-P-10 Original MBD Original MBD 1 1 1 1 0.8 0.8 0.8 0.8 Log power – PowerPoint PPT presentation

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Title: ????,????,???? (???


1
?????????????????????????? ?????
1-P-10
????,????,???? (????)
??
CQT
1 Brown, J.C., Calculation of a Constant
Q Spectral Transform
CQT (Constant-Q-Transform 1) ?????,?????????????
??????????
  • ??
  • ????????????,???????,PCM?????????????
  • ????????,???????????,?????????????????
  • ??????????????
  • ?????
  • ??????????????????
  • ??????? (Multi-beta distribution, MBD)
    ????,?????????????? (??????????) ?????

? ??????????
??1???????????? ??2????????????? ??3???????????
??
CQT ???
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????
k?????
?????
???????
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  • ????
  • ???? ???? (A4, ??)
  • ???????? 8
  • ????? 5000
  • ??
  • ???????????????????????????????????
  • ???????????????2??????????

? ??,??,???
Power
Power
Time
Time
??
Harmonics
Harmonics
Original
MBD-modeled
???????
???
5th harmonic
3rd harmonic
fundamental
8th harmonic
????????????????????,??????,MBD???????????????????
?
?????
MBD ???????????????????
???????
n??????????????
??????DP?????
???????????
?????
DP???????,?????,????,Weibull???????????
  • ???????,????????????

,
n?????????
??
??????????
???
?????????? ????????????
Sum of distance
MBD ??????????????????
Beta Normal Weibull
0.068063 0.142527 0.074789
????????????
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