| 波在非均匀媒质中传播时的解 |
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| 引用本文： | 李德钊. 波在非均匀媒质中传播时的解[J]. 南京理工大学学报(自然科学版), 1993, 0(2) |
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| 作者姓名： | 李德钊 |
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| 作者单位： | 华东工学院应用物理系 |
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| 摘 要： | 该文从声场方程出发推导出波在非均匀媒质中传播时的波动方程,并利用WKB近似法得出声波在空气中传播时波函数的表达形式,为研究声波在非均匀媒质中的传播提供了一种近似解。
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| 关 键 词： | 波动方程 波速 波矢 |
Solutions to Wave Propagation in Nonhomogeneous Media |
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| Li Dezhao. Solutions to Wave Propagation in Nonhomogeneous Media[J]. Journal of Nanjing University of Science and Technology(Nature Science), 1993, 0(2) |
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| Authors: | Li Dezhao |
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| Affiliation: | Li Dezhao Department of Applied Physics |
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| Abstract: | According to equation of sound field,this paper derivedwave equation for wave propagation in nonhomogeneous media, thenapplied WKB-approximation to obtain wave function for sound wavepropagation in air, thus providing approximation for wave propagationin nonhomogeneous media. |
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| Keywords: | wave equations wave velocity wave vector |
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