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- W4313904463 abstract "Knowledge of measurement uncertainty is essential for any experiment that tests a causal relationship among two or more variables. We have developed a method for quantifying the expected range of deviation among repeated measurements of the impulse response of violins. We measure input mobility by tapping the bridge of a violin with a small modal impact hammer and recording the velocity response of the top plate near the foot of the bridge using a laser Doppler vibrometer. The variance of bridge mobility at each frequency is calculated for N measurement trials, each of which consists of the average of multiple taps. These are averaged over specific frequency ranges corresponding to vibrational modes of interest and scaled to the largest value within the range. We apply the method to a set of 11 trials, each consisting of three taps. The deviation of a single trial from the ensemble average is shown to be significant when compared to the standard deviation of the ensemble. This tool for quantifying uncertainty in violin response measurements will be used in future research to assess the effects of playing the violin over time, a process known to violin players as “playing in” the instrument." @default.
- W4313904463 created "2023-01-10" @default.
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- W4313904463 date "2022-01-01" @default.
- W4313904463 modified "2023-10-12" @default.
- W4313904463 title "A tool for quantifying the uncertainty measurements of violin impact response" @default.
- W4313904463 doi "https://doi.org/10.1121/2.0001675" @default.
- W4313904463 hasPublicationYear "2022" @default.
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