Report/Guide

Robinson, S P; Theobald, P D; Hayman, G; Wang, L S; Lepper, P A*; Humphrey, V*; Mumford, S* (2011) Measurement of underwater noise arising from marine aggregate dredging operations. Technical Report. Marine Aggregate Levy Sustainability Fund MALSF.

Theobald, P D (2005) Feasibility study for in-plane displacement calibration of acoustic emission sensors. NPL Report. DQL-AC 014

Esward, T J; Theobald, P D; Dowson, S P; Preston, R C (2002) An investigation into the establishment and assessment of a test facility for the calibration of acoustic emission sensors. NPL Report. CMAM 82

Article

Foote, K G*; Theobald, P D (2015) Acousto-optic effect compensation for optical determination of the normal velocity distribution associated with acoustic transducer radiation. J. Acoust. Soc. Am., 138 (3). pp. 1627-1636.

Robinson, S P; Foote, K G*; Theobald, P D (2014) Developments in standards and calibration methods for hydrophones and electroacoustic transducers for underwater acoustics. J. Acoust. Soc. Am., 136 (4). p. 2217.

Koukoulas, T; Piper, B; Theobald, P D (2013) Gated photon correlation spectroscopy for acoustical particle velocity measurements in free-field conditions. J. Acoust. Soc. Am., 133 (3). pp. 156-161.

Koukoulas, T; Rajagopal, S; Robinson, S P; Moss, B*; Zeqiri, B; Theobald, P D (2013) Primary ultrasonic interferometer photodiode characterisation using frequency-modulated laser wavefront radiation. Metrologia, 50 (6). pp. 572-579.

Robinson, S P; de Jong, C*; Mueller, A*; Theobald, P D (2013) Toward a standard for measurement of underwater noise from marine impact piling. J. Acoust. Soc. Am., 134 (5). p. 4024.

Robinson, S P; de Jong, C*; Mueller, A*; Theobald, P D (2013) Toward a standard for measurement of underwater noise from marine impact piling. J. Acoust. Soc. Am., 134 (5). p. 4024.

Koukoulas, T; Broughton, W R; Tedaldi, M; Theobald, P D (2011) Novel non-contact optical characterisation methods of polymeric nanocomposite structures based on their particle loading and dispersion profile. Proc. SPIE - Int. Soc. Opt. Eng., 8082. 808220

Koukoulas, T; Broughton, W R; Theobald, P D; Tedaldi, M (2010) Characterization of solid complex multiphase systems based on oscillatory photon correlation spectroscopy. Opt. Lett., 35 (22). pp. 3754-3756.

Robb, G B N*; Robinson, S P; Theobald, P D; Hayman, Gary; Humphrey, V F*; Leighton, T G*; Lian Sheng Wang* (2009) Absolute calibration of hydrophones immersed in sandy sediment. J. Acoust. Soc. Am., 125 (5). pp. 2918-2927.

Theobald, P D; Goldsmith, M J; Simmons, D; Beamiss, G A; Shelton, J*; Shepperson, T* (2009) Comparisons of different measurement instruments for the study of complex industrial noise fields. Inst. Acoust. Bull. (Nov/De). pp. 28-32.

Theobald, P D; Robinson, S P; Koukoulas, T; Hayman, Gary (2009) Measurement and imaging of high-frequency sonar fields using acousto-optic tomography. J. Acoust. Soc. Am., 125 (4). p. 2555.

Theobald, P D (2009) Optical calibration for both out-of-plane and in-plane displacement sensitivity of acoustic emission sensors. Ultrasonics, 49 (8). pp. 623-627.

Cooling, M P*; Humphrey, V F*; Theobald, P D; Robinson, S P (2009) Transducer characterization by laser Doppler vibrometry. J. Acoust. Soc. Am., 125 (4). p. 2557.

Theobald, P D; Zeqiri, B; Avison, J (2008) Couplants and their influence on AE sensor sensitivity. J. Acoust. Emiss., 26. pp. 91-97.

Koukoulas, T; Theobald, P D; Zeqiri, B; Bu, I Y*; Milne, W I* (2008) Utilization of carbon nanofibers for airborne ultrasonic acoustic field detection using heterodyne interferometry. Opt. Lett., 33 (9). pp. 947-949.

Theobald, P D; Esward, T J; Dowson, S P (2005) Acoustic emission transducers - development of a facility for traceable out-of-plane displacement calibrations. Ultrasonics, 43 (5). pp. 343-350.

Conference or Workshop Item

Hayman, G; Robinson, S P; Pangerc, T; Ablitt, J; Theobald, P D (2017) Calibration of marine autonomous acoustic recorders. In: OCEANS 2017 - Aberdeen, 19-22 June 2017, Aberdeen, UK.

Wang, L; Foote, K G; Theobald, P D; Robinson, S P (2017) Material properties of three syntactic foams. In: OCEANS 2017 - Aberdeen, 19-22 June 2017, Aberdeen, UK.

Lepper, P A*; Theobald, P D; Robinson, S P; Pangerc, T (2014) Significance of dynamic variation in renewable energy device noise to background noise levels under varying conditions. In: OCEANS 2014, 14-19 September 2014, St. John's, Canada.

Theobald, P D; Robinson, S P; Pangerc, T; Lepper, P A* (2014) Towards standardization of the measurement of underwater noise radiated from marine pile driving. In: OCEANS 2014, 14-19 September 2014, St. John's, Canada.

Robinson, S P; Theobald, P D; Foote, K G* (2014) Calibration of hydrophones and electroacoustic transducers: a contribution to the OES standards initiative. In: Oceans 2014 -Taipei, 7-10 April 2014, Taipei, Taiwan.

Theobald, P D; Lepper, P*; Robinson, S P; Hazelwood, R A (2009) Cumulative noise exposure assessment for marine mammals using sound exposure level as a metric. In: 3rd Underwater Acoustic Measurement Conference (UAM 2009), 21-26 June 2009, Nafplion, Greece.

Robinson, S P; Lepper, P A*; Theobald, P D; Ablitt, J; Hayman, G; Beamiss, G A; Dible, S* (2009) A methodology for the measurement of radiated noise from marine piling. In: 3rd Underwater Acoustic Measurement: Technology and Results Conference (UAM 2009), 21-26 June 2009, Nafplion, Greece.

Robinson, S P; Theobald, P D (2008) Validation of primary hydrophone calibrations by inter-laboratory comparisons and by independent calibration methods. In: Proceedings of 9th ECUA2008 (Acoustics08), 29 June - 4 July 2008, Paris, France.

Robinson, S P; Humphrey, V F*; Theobald, P D; Hayman, G; Cooling, M P* (2008) A comparison of hydrophone near-field scans and optical techniques for characterising high frequency sonar transducers. In: Proceedings of 9th ECUA2008 (Acoustics08), 29 June - 4 July 2008, Paris, France.

Humphrey, V F*; Robinson, S P; Theobald, P D; Cooling, M P* (2007) Characterisation of high frequency, high amplitude sonar fields using optical measurement of transducer surface velocity. In: Proceedings of the 2nd International Conference & Exhibition on "Underwater Acoustic Measurements: Technologies & Results", 2007, Crete.

Theobald, P D; Robinson, S P (2007) A comparison of free-field calibration techniques for hydrophones using the reciprocity and optical methods. In: 2nd International Conference & Exhibition on "Underwater Acoustic Measurements: Technologies & Results", June 2007, Crete.

Theobald, P D; Bickley, C J; Robinson, S P (2003) Recent progress at NPL in the use of optical techniques for hydrophone calibration. In: Proceedings of the Institute of Acoustics meeting on Underwater Acoustic Measurement and Testing., 9-10 January 2003, NPL, UK.

Book Chapter/Section

Lepper, P A*; Robinson, S P; Ainslie, M A*; Theobald, P D; de Jong, C A F* (2012) Assessment of cumulative sound exposure levels for marine piling events. In: Effects of Noise on Aquatic Life. Springer, pp. 453-457. ISBN 9781441973108

Robinson, S P; Theobald, P D; Lepper, P A*; Hayman, G; Humphrey, V F*; Wang, L S*; Mumford, S* (2012) Measurement of underwater noise arising from marine aggregate operations. In: Effects of Noise on Aquatic Life. Springer, pp. 465-468. ISBN 9781441973108