| Laplacian分布表面超声背向散射的研究 |
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| 引用本文： | 李继凯. Laplacian分布表面超声背向散射的研究[J]. 河南师范大学学报(自然科学版), 1998, 26(3): 36-37 |
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| 作者姓名： | 李继凯 |
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| 作者单位： | 河南师范大学物理系 |
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| 基金项目： | 河南省教委科技攻关资助 |
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| 摘 要： | 本文假设随机粗糙表面符合Ｌａｐｌａｃｉａｎ分布，建立了来自粗糙表面的背向散射声强与物体表面粗糙度、超声频率和掠射角之间的闭形解析表达式．其结果的近似程度在大掠射角时，比文献预言的更好．
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| 关 键 词： | Laplacian；粗糙表面；超声；背向散射 |
A Research on Ultrasound Backscattering from a Laplacian Distributed Rough Surface |
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| Li Jikai Gu Jinhong Li Lingong. A Research on Ultrasound Backscattering from a Laplacian Distributed Rough Surface[J]. Journal of Henan Normal University(Natural Science), 1998, 26(3): 36-37 |
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| Authors: | Li Jikai Gu Jinhong Li Lingong |
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| Abstract: | In this paper, the mean Backscatterd sound intensity by a surface described by a laplacian distribution of heights is calculated. A formulation of the mean Backscattered sound intensity as a function of surface roughness, ultrasound frequency and grazing angle is developed. |
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| Keywords: | Laplacian rough surface ultrasound Backscattering |
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