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Testing an improved cymbal hydrophone
cymbal hydrophone sensitivity resonance frequency parallel connection frequency band
2011/9/13
Cymbal hydrophones have small volume and high sensitivity, but their reception is not stable enough, and their reception is in too narrow a frequency band. In order to overcome these inadequacies, the...
Fiber Bragg Grating Hydrophone Array using Feedback Control Circuit: Time-division Multiplexed and Thermally Stabilized Operation
Hydrophone Acoustic sensor Fiber optic sensor
2009/8/19
A novel fiber Bragg grating (FBG) hydrophone array has been proposed in order to realize multipoint underwater sound detection with thermal stabilization. The interrogation technique of the FBG hydrop...