Thus, the boundary reflection effect and other effects must be considered during using the propagation-attenuation method to measure damping of a beam.
利用传播衰减法测量梁结构阻尼应考虑边界反射等影响。
The results obviously demonstrate wave diffraction in harbor on condition of boundary reflection. Distribution of wave field in harbor is relatively appropriate.
结果比较清楚地反映出在考虑边界反射条件下波浪绕射情况，港内波浪场的分布比较合理。
In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.
在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。
Boundary information is the reflection of the spectral difference between objects.
边缘信息是地物间波谱差异的反映。
This paper is the second part, which presents the characteristic of reflection and refraction coefficient spectrum at line boundary.
本文是第二部分，主要探讨了两类母线的接线情况下，线路边界的折、反射系数的频谱特征。
In order to decrease the reflection of wave on the boundary, spongy condition was used on top boundary.
为了减少波在边界上的反射，顶部边界采用了海绵边界条件。
The use of infinite elements for modelling wave radiation eliminates the effects of artificial reflection of waves from finite element boundary, therefore the computational accuracy can be assured.
无穷元的应用消除了波在有限元边界上人为的反射效应，保证了数值解答的计算精度；
Total reflection method has been commonly used to detect real contact area, however the boundary of the contact spots in the contact image obtained was vague.
光全反射法是测量真实接触面积的常用手段，然而用其测得的接触图像小，接触斑点的边界模糊。
Mechanism of the oscillation instability is then illuminated in frequency domain by amplification at the artificial boundary and multi-reflection of wave motion in a finite discrete model.
根据波在人工边界的放大效应和在有限离散模型中多次反射的概念在频域内阐明了这一常见的振荡失稳的机制。
An algorithm used in numerical simulation along the boundary of a computational domain to absorb all energy incident upon that boundary and to suppress reflection artifacts.
指在数学模拟时沿计算区域边界的某种算法，目的是为了吸收进入这些边界的能量和压制人为产生的反射。
Among of many artificial boundary conditions, the transmitting boundary conditions are the best because they can absorb more reflection wave.
在众多的人工边界条件中，透射边界以其良好的吸收性成为人工边界条件的首选。
The subject of literature cannon lurking in the reflection of the boundary of literary theory embodies anxiety of cannon today, which shows the misunderstanding of literature cannon.
文艺学的边界问题背后潜伏着文学经典问题，并在当下语境中表征为“经典的焦虑”，突出表明了当前对于文学经典问题的诸多误解。
In the radar wave migration processing, the boundary condition is usually considered as zero which is the cause of the interpretive precision depressed because of the reflection of non-media factor.
在雷达波偏移处理中。通常将边界条件设为零，但是这会在边界处产生由非介质因素引起的反射现象，使得剖面的解释精度降低。
Compared with the discretization scheme proposed earlier, the new one makes the reflection errors of PML absorbing boundary condition decrease by orders of magnitude when a larger time step is used.
和已有的离散方案比较，采用文中提出的离散方案可使理想匹配层吸收边界的反射误差成数量级地减小。
This paper deals with the essence of the reflection coefficient of planar wave in terms of acoustic and elastic media in the single-boundary and multilayered medium.
本文讨论了声学介质与弹性介质在单界面和多层介质情况下平面波反射系数的实质。
Ultrasonic encounter impurities or boundary surface will produce significant reflection form reflex into echo, encounter moving objects can produce doppler effect.
超声波碰到杂质或分界面会产生显著反射形成反射成回波，碰到活动物体能产生多普勒效应。
Ultrasonic encounter impurities or boundary surface will produce significant reflection form reflex into echo, encounter moving objects can produce doppler effect.
超声波碰到杂质或分界面会产生显著反射形成反射成回波，碰到活动物体能产生多普勒效应。
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