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Underwater Sound Transducer Calibration System for the 0.3- to 2000-Hz Frequency Range at Hydrostatic Pressure to 6.89 MPa

机译:水下声音传感器校准系统,适用于静态压力为6.89 mpa的0.3至2000 Hz频率范围

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A controlled-environment system has been constructed to facilitate calibration of a wide variety of underwater sound transducers in the frequency range 0.3-2000 Hz at static pressure to 6.89 MPa (1000 lb/sq in) and temperature from -2 to +40C. The report describes electronic and mechanical features of the system, including active impedance termination, extension of frequency range upward to 2000 Hz, and automatic recording of end-of-cable sensitivity. (Author)

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