| 声源指向性对超声功率测量的影响 |
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| 引用本文： | 郝乃澜,王双维,刘建国,冯若. 声源指向性对超声功率测量的影响[J]. 声学技术, 1996, 15(3): 123-124 |
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| 作者姓名： | 郝乃澜 王双维 刘建国 冯若 |
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| 作者单位： | 长春医学高等专科学校，东北师范大学物理系，南京大学声学研究所 |
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| 摘 要： | 本文以无限大障板活塞辐射为声源模型，对声源指向性在使用悬链式超声计测量时产生的误差进行了理论探讨，并针对具体的几个实例进行了数值计算给出相应的修正值。
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| 关 键 词： | 超声功率测量 超声测量 声源指向性 |
| 收稿时间： | 1995-08-29 |
| 修稿时间： | 1995-10-10 |
The influence of transducer directivity characteristic on the ultrasonic power measurement |
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| HAO Nailan,WANG Shuangwei,LIU Jianguo and FENG Ruo. The influence of transducer directivity characteristic on the ultrasonic power measurement[J]. Technical Acoustics, 1996, 15(3): 123-124 |
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| Authors: | HAO Nailan WANG Shuangwei LIU Jianguo FENG Ruo |
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| Affiliation: | Changchun Medical Higher Training School, Changchun 130031;Department of Physics, Northeast Normal University, Changchun 130024;Department of Physics, Northeast Normal University, Changchun 130024;Laboratory of Modern Acoustics, Nanjing University, 210093 |
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| Abstract: | The influence of transducer directivity characteristic on the ultrasonic power measurement with a tethered float ultrasonic power meter has been studied theoretically by using a model of the infinitebaffle piston The correction data in some exaples calculated by numerical method are presented in this paper |
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| Keywords: | measuring ultrasonic power directivity characteristic |
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