Hydrophone arc array low-frequency calibration device and calibration method thereof
A technology for calibrating devices and hydrophone arrays, which is applied to measuring devices, instruments, and measuring ultrasonic/sonic/infrasonic waves, etc., can solve problems such as high calibration costs and difficult calibration of hydrophone arrays in wide frequency bands, and achieve convenient operation and reduce Calibration Difficulty and Implementation Cost, Effect of Improving Calibration Speed
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[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0032] Such as figure 1 shown and figure 2 As shown, a hydrophone arc array low-frequency calibration device includes a simulation system, a calibration system and a suspension system; the simulation system includes a vibrating table 14, a liquid column 9 fixed on the vibrating table 14, and an attachment on the outside of the liquid column 9. The water tank 10, the liquid column 9 is a cylinder with concentric deep grooves and two through holes aligned at the same height are respectively provided on both sides of the upper part, and the water tank 10 communicates with the through holes one by one; the calibration system includes an arc array 5, a set The hydrophone array element 7 on the arc array 5, the reference hydrophone 8 and the accelerometer 12 arranged outside the liquid column 9, the reference hydrophone 8 and the accelerometer 12 are all ca...
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Abstract
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Application Information
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