The Analysis of Radiated Sound Field of Traffic Circle

WU Zeng-wei; XU Tian-ping

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The Analysis of Radiated Sound Field of Traffic Circle

更新时间：2026-05-27

- The Analysis of Radiated Sound Field of Traffic Circle
- Vol. 24, Issue 3, Pages: 103(2007)
- 作者机构：
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- Online First：10 August 2007，
  
  Published：2007
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吴增伟, 徐天平. 圆环式径向换能器辐射声场的研究[J]. 广东工业大学学报, 2007, 24(3): 103.

WU Zeng-wei, XU Tian-ping. The Analysis of Radiated Sound Field of Traffic Circle[J]. 2007, 24(3): 103.
吴增伟, 徐天平. 圆环式径向换能器辐射声场的研究[J]. 广东工业大学学报, 2007, 24(3): 103. DOI：

WU Zeng-wei, XU Tian-ping. The Analysis of Radiated Sound Field of Traffic Circle[J]. 2007, 24(3): 103. DOI：

摘要

研究圆环式径向换能器辐射声场特性

和分析声场的指向特性

得出圆环式径向换能器径向没有指向性而竖向有指向性

且环带越宽旁瓣越多

主瓣越尖锐.讨论了辐射声场的近场特性

表明近场和远场之间存在临界点

临界点随环宽变化而变化

环宽越大

临界点离环中心越远;反之

临界点离环中心越近. 更多还原

Abstract

The radiated sound field of traffic circle radial transducer is researched.After analyzing the pressure distribution of the sound field

it concludes that the pressure distribution of the traffic circle radial transducer is not radial but vertical

and the broader the ring size is

the more sidelobes there are

the sharper the mainlobe is.By discussing the near sound field distribution

it shows that there is a critical pole between the near field and the far field

and the variation of the critical p...

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references

李锦,任中杰,林书玉. 环状活塞换能器辐射声场研究[J]. 陕西师范大学学报(自然科学版). 2003(04)

陈凡等编著.基桩质量检测技术[M]. 中国建筑工业出版社, 2003

许肖梅编著.声学基础[M]. 科学出版社, 2003

(美)J.L.罗斯(JosephL.Rose)著,何存富等译.固体中的超声波[M]. 科学出版社, 2004

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