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Uncertainty evaluation for the calibration of an underwater acoustic transducer by the method of free-field reciprocity.

Harris, P M; Hayman, G; Robinson, S P; Smith, I M (2010) Uncertainty evaluation for the calibration of an underwater acoustic transducer by the method of free-field reciprocity. NPL Report. MS 9

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Abstract

The method adopted by the UK National Physical Laboratory for calibrating underwater acoustic transducers in the frequency range 10 kHz to 500 kHz is three-transducer spherical-wave reciprocity. This report is concerned with the evaluation of measurement uncertainty associated with estimates of the transmitting and receiving sensitivities of a device provided by NPL's implementation of this calibration method. Consideration is given to formulating the problem of uncertainty evaluation and comparing the results obtained using conventional `uncertainty propagation' and a Monte Carlo method as approaches to solving the formulated problem. The sensitivity of the results obtained to assumptions about the correlations associated with influence quantities in the calibration and the reliability of the available information about those quantities is investigated.

Item Type: Report/Guide (NPL Report)
NPL Report No.: MS 9
Subjects: Mathematics and Scientific Computing
Mathematics and Scientific Computing > Measurement Uncertainties
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/4779

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