A low-frequency power-type pressure-gradient receiver for oceanological investigations
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Technical solutions for the construction of a two-component power-type pressure-gradient receiver are developed. The manufactured prototype with dimensions of 111 × ∅52 mm provides an acousticpressure sensitivity in a plane wave of 60–70 μV/Pa at a frequency of 100 Hz. A mathematical model for an approximate calculation of the sensitivity to the acoustic pressure and optimizing the parameters of the structure was developed. The performance characteristics of the hydroacoustic pressure-gradient receivers, which provide oceanological investigations at frequencies that are substantially lower than 1 kHz, were improved.
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