| 复频聚焦超声换能器及其辐射声场的研究 |
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| 引用本文： | 石焕文,尚志远.复频聚焦超声换能器及其辐射声场的研究[J].陕西师范大学学报,2000,28(1). |
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| 作者姓名： | 石焕文 尚志远 |
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| 作者单位： | 陕西师范大学应用声学研究所!陕西西安710062 |
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| 基金项目： | 国家自然科学基金资助项目!(19874042) |
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| 摘 要： | 研制了一种新型复频聚焦超声换能器 .从理论上计算了辐射声压在轴向上的分布曲线 ,进而确定了焦区位置 ,理论分析与实验结果符合较好 .对换能器的焦区声场作了定标
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| 关 键 词： | 复频聚焦超声 换能器 辐射声场 |
Study on bi-frequency ultrasonic focused transducer and its acoustic field |
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| SHI Huan-wen,SHANG Zhi-yuan.Study on bi-frequency ultrasonic focused transducer and its acoustic field[J].Journal of Shaanxi Normal University: Nat Sci Ed,2000,28(1). |
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| Authors: | SHI Huan-wen SHANG Zhi-yuan |
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| Abstract: | A new kind of bi frequency ultrasonic focused transducer is designed, and the distribution curve of its axial pressure is theoretically calculated. Its focal area is decided and it is in good agreement with experimental results. And the focal fields are calibrated. |
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| Keywords: | bi-frequency focused ultrasound transducer radiated acoustic field |
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