Some new approaches for phase calibration of hydrophones by the reciprocity method are considered. Uses of this method for measuring the phase angle of the sensitivity for the geometric and acoustic centers of a hydrophone and for determining the position of the acoustic center from its shift relative to the geometric center of a hydrophone are described. Results from an experimental test of these techniques are presented.
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Classification of Services in Acoustics, Ultrasound, and Vibration, http://kcdb.bipm.org/appendixC/AUV/AUV_services.pdf, accessed Jan. 1, 2013.
G. Hayman and S. Robinson, “Phase calibration of hydrophones by the free-field reciprocity method,” Proc. 11th Europ. Conf. on Underwater Acoustics, Edinburgh (2012), pp. 1437–1444.
IEC 60565 (2006), Underwater Acoustics. Hydrophones. Calibration in the Frequency Range 0.01 Hz to 1 MHz.
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Translated from Izmeritel’naya Tekhnika, No. 6, pp. 56–59, June, 2013.
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Isaev, A.E., Matveev, A.N., Polikarpov, A.M. et al. Measurement of the sensitivity phase-frequency characteristics of hydrophones by the reciprocity method. Meas Tech 56, 706–711 (2013). https://doi.org/10.1007/s11018-013-0269-z
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DOI: https://doi.org/10.1007/s11018-013-0269-z