A fast measurement method and device for broadband transmission response of underwater acoustic emission transducer
A technology of transmitting transducers and measurement methods, applied in the direction of electrical components, etc., can solve the problems of no relevant reports, achieve low sampling rate requirements, improve measurement efficiency, and quickly calibrate the effect
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[0055] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0056] Taking the reverberation water tank of Harbin Engineering University Key Laboratory of Underwater Acoustic Technology as an example, refer to the attached figure 1 The present invention will be described in detail.
[0057] The reverberation water tank is a rectangular water tank with dimensions of 9m in length, 3m in width and 2.0m in height. The cabinet is of steel structure, the water depth is 1.7m, and the measured reverberation time T 60 About 200ms. The density of water ρ is 1000kg / m 3 , water temperature 20°C, sound velocity c 0 It is 1450m / s.
[0058] The signal generator adopts Agilent 33250A signal generator; the power amplifier adopts B&K 2713 power amplifier; the data collector adopts B&K PULSE3560E dynamic signal analyzer.
[0059] (1) Select the reverberation water tank that can be used for testing according to the ope...
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