Detection Of Coupled Vibration Modes Of A Guitar Resonance Box
REVIEW OF SCIENTIFIC INSTRUMENTS(2019)
摘要
Guitar is a popular musical instrument, but the design mainly depends on experience because of its complex structure. Based on resonant absorption mechanical spectra, a device has been developed to detect the coupled vibration modes of a guitar resonance box. The resonant frequencies of the guitar string are measured, and its dispersion relations accord with theoretical calculation. Two resonant absorption peaks at 81 Hz and 116 Hz have been found to be the coupled vibration modes of the resonance box of a guitar, which contribute to its acoustical quality.
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