For the two-dimensional horizontal wave propagation problem, refraction and diffraction of waves must be taken into account.
对于平面二维波浪传播的问题，则需要考虑波浪的折射、绕射。
Parabolic mild slope equation and modified mild slope equation are applied to solve refraction diffraction of waves over twain circular shoal.
使用抛物型缓坡方程和修改抛物型缓坡方程研究了双圆形浅滩地形的波浪折射绕射。
An analytical solution is obtained for the diffraction of strong detonation waves by a stationary two-dimensional thin airfoil.
本文研究平面强爆震波对静止的零攻角二维对称薄翼的绕射问题，并求得解析解。
A set of coupled wave equations for multiple dimensional acoustooptic diffraction with multiple acoustic waves along different directions is put forward and its solutions are derived.
本文建立了沿不同方向的多个超声波信号作用下的多维声光衍射的耦合波方程，并求出相应的解。
The diffraction problem of nonlinear shallow water waves on a thin vertical wedge is studied in this paper.
本文讨论了非线性浅水波在薄楔上的绕射问题。
The principle of measuring the self-height of cylindrical hole defect by ultrasonic tip diffraction technique was analyzed based on the characteristics of reflected and diffracted waves.
根据柱孔缺陷的端点反射波和衍射波的特点，分析了用端点衍射法测定柱孔类缺陷自身高度的原理。
Highly visible stationary laser diffraction patterns from liquid surface waves at a few tens Hertz were obtained experimentally, and the disappearance of zero order diffraction spot was also observed.
对于频率为几十赫兹的液体表面波，实验上观察到稳定、清晰、反衬度非常高的衍射图样，并发现了零级缺级现象。
In this paper, the plane and anti-plane problems of the diffraction of elastic waves by a cavity filled with another medium are discussed. The method calculation, of the wave field is given in detail.
本文讨论了填充介质腔为弹性波绕射的平面及反平面问题，详细地给出了波场的计算方法。
The results show that the "Mach stem" effect also exists for the diffraction of nonlinear shallow water waves on the wedge.
计算表明，非线性浅水波在薄楔上的绕射也存在“马赫茎”效应。
The numerical result shows clearly the propagations, diffraction, reflection and interaction with each other of shock waves.
计算结果清楚地给出了激波传播、绕射、反射、及相互干扰的复杂流场结构。
The method suits for the diffraction of optical plane waves with arbitrary incident direction and polarization direction.
该方法适用于任意入射方向，任意偏振态入射场衍射问题的研究。
The dispersion relations for waves on liquid film surfaces were proved and thickness of liquid film was measured by laser diffraction.
利用激光衍射法验证了液体薄膜的色散关系，并应用于液体薄膜厚度的测量。
The key of this paper is the solution of the second-order double-frequency wave exciting force for a floating body sailing in waves by solving second-order diffraction potential.
本文的关键是通过求解二阶绕射速度势获得三维移动物体的二阶倍频波浪力。
The key of this paper is the solution of the second-order double-frequency wave exciting force for a floating body sailing in waves by solving second-order diffraction potential.
本文的关键是通过求解二阶绕射速度势获得三维移动物体的二阶倍频波浪力。
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