| 不同元系媒质的声速与非线性声参量 |
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| 引用本文： | 董彦武,仝杰,尚志远.不同元系媒质的声速与非线性声参量[J].陕西师范大学学报,1994(3). |
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| 作者姓名： | 董彦武 仝杰 尚志远 |
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| 作者单位： | 陕西师范大学应用声学研究所 |
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| 摘 要： | 从生物医学超声角度出发，论述了生物组织的Ｂ／Ａ特性对于发展超声诊断的意义；介绍了对Ｂ／Ａ参量的深化研究进程─—推导不同元系媒质的Ｂ／Ａ混合定则所遵循的理论基础和得出的结果表达式；指出了Ｂ／Ａ参量的应用前景及研究中存在的问题．
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| 关 键 词： | 非线性声参量 声速 媒质 |
Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components |
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| Dong Yanwu,Tong Jie,Shang Zhiyuan.Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components[J].Journal of Shaanxi Normal University: Nat Sci Ed,1994(3). |
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| Authors: | Dong Yanwu Tong Jie Shang Zhiyuan |
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| Abstract: | From the view of biomedical ultrasonics,the significance of the study of ultrasound parameters in biomedium is explained.The progress of the study of nonlinear acoustic parameter B/A is introdused. Both theoretical and experimental processes are stated in details. Problems and future applications of B/A parameters are also pointed out. |
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| Keywords: | nonlinearity parameter sound velocity media |
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