| 利用声辐射模态对声场进行重构 |
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| 引用本文： | 吴建涛,姜哲.利用声辐射模态对声场进行重构[J].应用声学,2007,26(1):29-34. |
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| 作者姓名： | 吴建涛 姜哲 |
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| 作者单位： | 江苏大学振动噪声研究所,镇江,212013 |
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| 摘 要： | 声辐射模态是定义在振动表面上的一组互相独立的基函数,描绘了振动表面的多极子辐射模式。本文利用声辐射模态对平板辐射的声场进行重构，并同时就频率和模态数对误差的影响进行了分析。针对复杂振动表面幅射的声场，重构时需正则化处理。数值计算结果和对应的理论值达到很好的吻合。
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| 关 键 词： | 声辐射模态 声场重构 正则化方法 |
| 修稿时间： | 2005-07-112006-09-29 |
On reconstruction of acoustic pressure fields using the radiation modes |
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| WU Jian-Tao and JIANG Zhe.On reconstruction of acoustic pressure fields using the radiation modes[J].Applied Acoustics,2007,26(1):29-34. |
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| Authors: | WU Jian-Tao and JIANG Zhe |
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| Institution: | Vibration and Noise Research Division, Jiangsu University, Zhen Jiang 212013 |
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| Abstract: | The acoustic radition modes constitute a set of independent basis functions defined on the vibrating surface and describe the radition patterns of multi-pole. This paper presents implementation of reconstruction of acoustic pressure field using acoustic radiation modes and analyzes the error from mode number and frequency. For the complicated radiation of a plate, the regularization method is used, and the numerally calculated results agree with a theoretical results. |
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| Keywords: | Acoustic radition modes Reconstruction of acoustic pressure fields Regularization methods |
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