Dynamic modal characterization of musical instruments using digital holography (CROSBI ID 114490)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Demoli, Nazif ; Demoli, Ivan
engleski
Dynamic modal characterization of musical instruments using digital holography
This study shows that a dynamic modal characterization of musical instruments with membrane can be carried out using a low-cost device and that the obtained very informative results can be presented as a movie. The proposed device is based on a digital holography technique using the quasi-Fourier configuration and time-average principle. Its practical realization with a commercial digital camera and large plane mirrors allows relatively simple analyzing of big vibration surfaces. The experimental measurements given for a percussion instrument are supported by the mathematical formulation of the problem.
computer holography; holographic interferometry
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