换能器阵列形式对指向性的影响
作者:
作者单位:

作者简介:

通讯作者:

基金项目:

国家自然科学基金资助项目(60901062,61271286)

伦理声明:



Effect of Transducer’s Array Pattern on Array’s Directivity
Author:
Ethical statement:

Affiliation:

Funding:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
    摘要:

    针对声波定向换能器阵列形式对指向性的影响问题,该文根据声波叠加原理,从理论上推导了圆形活塞换能器阵的三维指向性计算公式。在此基础上,利用该理论公式,对24个压电换能器阵元分别布为4×6阵列、5×5-1阵列、3×8阵列、2×12阵列的指向性进行了分析,发现不同阵列形式三维指向性存在明显差异;方阵在各方向上指向性近似相同,而长方形阵则随长宽比的增大,在长、宽方向上的指向性差异增大。

    Abstract:

    A three dimension directivity calculating formula for circular piston transducer array is deduced theoretically according to the acoustic wave superposition principle to reveal how acoustic directional transducer array pattern affects the array directivity. The directivity of a 4×6 array, 5×5-1 array, 3×8 array and 2×12 array, which are all composed of 24 piezoelectric transducer array element, are analyzed by the theoretical formula, and the results show that there are significant differences existing in different arrays. The directivity of the square transducer array in various directions is approximately equal, while the difference of the directivity of the rectangular transducer array in length direction and width direction increases when the ratio of length and width increases.

    参考文献
    相似文献
    引证文献
引用本文

杨天文,陈敏,黄大贵,张力文,陈祥.换能器阵列形式对指向性的影响[J].压电与声光,2014,36(1):93-96. YANG Tianwen,CHEN Min, HUANG Dagui, ZHANG Liwen, CHEN Xiang. Effect of Transducer’s Array Pattern on Array’s Directivity[J]. PIEZOELECTRICS AND ACOUSTOOPTICS

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
历史
  • 收稿日期:
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2014-01-07
  • 出版日期: