An approach to estimation of the lower free-field calibration frequency as well as the required magnitude of the water tank for calibration of hydrophones in a specified frequency range from the cepstrum of a segment of the amplitude response of the electroacoustic system, projector – hydrophone – non-anechoic water tank – measurement path of standard facility, is proposed. Estimates of the lower calibration frequency of hydrophones in a water tank with minimal dimension of 6 m in the case of radiation of quadrature-added harmonic signals are presented.
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References
CEI/IEC 60565:2006, Underwater Acoustics: Hydrophones: Calibration in the Frequency Range 0.01 Hz to 1 MHz, IEC, Geneva (2006).
A. E. Isaev, Precise Calibration of Receivers of Acoustic Pressure in a Aqueous Environment under Free Field Conditions [in Russian], Izd. VNIIFTRI, Mendeleevo (2008).
R. B. Randall, Frequency Analysis [Russian translation], Larson and Sons, Glostrup (Denmark).
MEK Standard. Publication 565 (565A), Calibration of Hydrophones [in Russian], Izd. Standartov, Moscow (1981).
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Translated from Izmeritel’naya Tekhnika, No. 1, pp. 20–24, January, 2010.
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Isaev, A.E. Lower frequency of free-field calibration of hydrophones in emission of tonal signals in a non-anechoic water tank. Meas Tech 53, 28–34 (2010). https://doi.org/10.1007/s11018-010-9454-5
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DOI: https://doi.org/10.1007/s11018-010-9454-5