【摘要】 研制了全光湿端的基于加速度传感的三维光纤矢量水听器,介绍了它的基本结构,测试了加速度灵敏度响应,在水声一级计量站标定了指向性和声压灵敏度,进行了海上试验。实验结果表明,该光纤矢量水听器具有很高的灵敏度、较好的空间指向性和良好的低频响应,并有了初步的海上实用性能。更多还原

【Abstract】 Three-dimensional fiber optic vector hydrophone based on acceleration sensing is developed,which can be realized with all fiber under water.Its basic structure is presented.Its sensitivity of acceleration and frequency response is tested.Its Sensitivity of sound press and directivity are calibrated in National Defense Underwater Acoustic Metrology Center.The sea trial of fiber optic vector hydrophone is accomplished.High sensitivity,fine directivity,good low-frequency response and applied performance of fiber optic vector hydrophone is certificated in the experimental results.更多还原