| 单指向性水听器的研究 |
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| 引用本文： | 李书光,徐春华. 单指向性水听器的研究[J]. 中国石油大学学报(自然科学版), 1996, 0(5) |
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| 作者姓名： | 李书光 徐春华 |
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| 作者单位： | 石油大学数理系，石油大学机械系 |
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| 摘 要： | 对二元基阵经电子移相形成单指向性的原理进行了理论分析。并采用三种形状不同的压电材料作为基阵的基元，制作了三种水听器，实验测定结果与理论结果一致，获得较好的单指向性。
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| 关 键 词： | 基阵；基元；电子移相；压电水声器；指向性函数；单指向性 |
DEVELOPMENT OF UNIDIRECTIONAL HYDROPHONE |
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| Li Shuguang,Xu Chunhua. DEVELOPMENT OF UNIDIRECTIONAL HYDROPHONE[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 1996, 0(5) |
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| Authors: | Li Shuguang Xu Chunhua |
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| Abstract: | The unidirectivity formed in array of two elements with electric phase-shift is theoretically discussed. Three kinds of hydrophone are designed with different elements of array in shape. The experimental and theoretical results are in good agreement. |
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| Keywords: | Array Element of array Electric phase-shift Piezoelectrie hydrophone Directional index Unidirectivity |
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