| 脉动柱面声源线阵列远场特性的研究 |
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| 引用本文： | 孙雅琴.脉动柱面声源线阵列远场特性的研究[J].电声技术,2003(3):6-8. |
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| 作者姓名： | 孙雅琴 |
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| 作者单位： | 安徽理工大学数理系,安微,淮南,232001;安徽师范大学,芜湖 |
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| 摘 要： | 由均匀柱面声源高频远场声速度势函数，导出了均匀脉动柱面声源线阵列高频远场的声速度势、声压、声强公式及其与指向性因子间的关系，从中可以看出，柱面声源线阵列的远场声强比声柱在同一场点的声强大得多。并对该阵的指向性进行了仿真研究。
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| 关 键 词： | 均匀脉动柱面声源线列阵 远场 指向性 声强 声速度势 |
| 修稿时间： | 2002年12月9日 |
Study on far field characteristics of line array of pulsating cylinder sound sources |
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| SHUN Ya-qing.Study on far field characteristics of line array of pulsating cylinder sound sources[J].Audio Engineering,2003(3):6-8. |
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| Authors: | SHUN Ya-qing |
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| Affiliation: | SHUN Ya-qing |
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| Abstract: | Based on acoustic velocity potential function of a uniformly pulsating cylinder sound source,the acoustic velocity potential function sound pressure,sound intensity and directivity of line array of uniformly pulsating cylinder sound sources are obtained.Simulation shows that the high-frequency far field of this line array has directivity. |
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| Keywords: | uniformly pulsating cylinder sound source line array far field high-frequency diectiv i-ty |
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