| 超声场分布的演示实验 |
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| 引用本文： | 郭孝武.超声场分布的演示实验[J].物理实验,2001,21(2):11-13. |
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| 作者姓名： | 郭孝武 |
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| 作者单位： | 陕西师范大学应用声学研究所,西安,710062 |
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| 摘 要： | 介绍了利用超声在液体介质中传播，使质点产生强烈振动而引起交变压力的原理，用微型探头测量，以演示超声场在平面辐射、聚焦系统下焦平面和焦点以内的横截面上的声场分布，使学生更深入地了解超声不皮传播的物理规律。
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| 关 键 词： | 超声波 演示实验 声场分布 超声场 |
| 修稿时间： | 2000年6月21日 |
Demonstration experiment in ultrasonic field distribution |
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| GUO Xiao,wu.Demonstration experiment in ultrasonic field distribution[J].Physics Experimentation,2001,21(2):11-13. |
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| Authors: | GUO Xiao wu |
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| Abstract: | It introduced the principle of alternating pressure caused by particle vibration,when ultrasonic propagating in liquor medium.In order to make students deeply understand the physics rule of ultrasonic propagation,the focus plane ultrasonic field and the ultrasonic field of section between source and focus were demonstrated by microdetector measurement. |
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| Keywords: | ultrasonic wave demonstration experiment acoustic field distribution |
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