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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Main parameters of wood acoustic vibration property for Yueqin

From: Prediction of Yueqin acoustic quality based on soundboard vibration performance using support vector machine

 

Sample size

\({E \mathord{\left/ {\vphantom {E \rho }} \right. \kern-0pt} \rho }\)

\({E \mathord{\left/ {\vphantom {E G}} \right. \kern-0pt} G}\)

\(R\)

W/106

Average

180

22.75

268.47

18.83

1.21

Standard deviation

180

2.38

55.82

1.09

0.12

  1. E/ρ the dynamic elastic modulus, \(R\) acoustic radiation damping coefficient, E/G elastic modulus and shear modulus ratio, \(\omega\) acoustic impedance
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