Measurement of the phase response of a membrane hydrophone and its application to ultrasonic field characterisation
Measurement of the phase response of a membrane hydrophone and its application to ultrasonic field characterisation
The accurate measurement of acoustic waveforms containing multiple frequencies is complicated by the need to know the frequency dependent phase response of the measurement system. This is particularly relevant for high amplitude ultrasound propagation resulting in non-linear distortion. However, if the phase response of the system is known then the true acoustic waveform can be recovered. This work describes a means of obtaining the required phase response of a hydrophone and receiver system over a wide frequency range, its application, and impact on measurements.
56
Humphrey, V.F.
23c9bd0c-7870-428f-b0dd-5ff158d22590
Cooling, M.P.
caf6c2e0-c385-4f8c-bec6-7dd0473f65af
Duncan, T.M.
fbcb4fc6-dd71-42a2-bf3e-42f057091381
Duck, F.
78d194a5-ce10-4f10-8982-c6ab04251979
2004
Humphrey, V.F.
23c9bd0c-7870-428f-b0dd-5ff158d22590
Cooling, M.P.
caf6c2e0-c385-4f8c-bec6-7dd0473f65af
Duncan, T.M.
fbcb4fc6-dd71-42a2-bf3e-42f057091381
Duck, F.
78d194a5-ce10-4f10-8982-c6ab04251979
Humphrey, V.F., Cooling, M.P., Duncan, T.M. and Duck, F.
(2004)
Measurement of the phase response of a membrane hydrophone and its application to ultrasonic field characterisation.
Journal of Physics: Conference Series, 1, .
(doi:10.1088/1742-6596/1/1/013).
Abstract
The accurate measurement of acoustic waveforms containing multiple frequencies is complicated by the need to know the frequency dependent phase response of the measurement system. This is particularly relevant for high amplitude ultrasound propagation resulting in non-linear distortion. However, if the phase response of the system is known then the true acoustic waveform can be recovered. This work describes a means of obtaining the required phase response of a hydrophone and receiver system over a wide frequency range, its application, and impact on measurements.
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Published date: 2004
Identifiers
Local EPrints ID: 28193
URI: http://eprints.soton.ac.uk/id/eprint/28193
ISSN: 1742-6588
PURE UUID: 1e98459c-271b-43a3-a153-8cd9da0b7c06
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Date deposited: 28 Apr 2006
Last modified: 16 Mar 2024 03:34
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Author:
M.P. Cooling
Author:
T.M. Duncan
Author:
F. Duck
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