利用传播衰减法测量梁结构阻尼应考虑边界反射等影响。
Thus, the boundary reflection effect and other effects must be considered during using the propagation-attenuation method to measure damping of a beam.
提出了合理的人工边界反射系数公式，为有限元模型提供了理论基础。
A reasonable spurious parameter of artificial boundary is also proposed, which lays down the base for FEM numerical simulation.
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。
The results obviously demonstrate wave diffraction in harbor on condition of boundary reflection. Distribution of wave field in harbor is relatively appropriate.
为了得到更好的模拟效果，在模拟的过程中，必须考虑人为边界反射以及稳定性、频散等问题。
To get the better result of seismic wave propagation, the artificial boundary reflections, stability, numerical dispersion and other problems must be considered in the numerical simulation.
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。
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.
两个区域的边界就像是一堵墙，能反射被引导的电磁波；这和三维空间中的墙是类似的。
The boundary between the two areas acts as a wall, capable of reflecting a guided EM wave on the graphene much like one would in a three dimensional space.
Dean经常使用该装置，能看到“边界”和高反射物体的反光，像玻璃、水或眼睛。
He USES it constantly, seeing "borders and boundaries" and flashes from highly reflective objects, like glass, water or eyes.
平板玻璃多重反射绿色环境效果，因此模糊了体量边界，与景观融为一体。
The flat glassed reflexes multiply the green environmental effect, so blur the boundary volumes and integrate the landscape.
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。
This paper is the second part, which presents the characteristic of reflection and refraction coefficient spectrum at line boundary.
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。
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.
得到不完全边界上不同反射波和透射波的振幅比，并导出法向力刚度、切向力刚度和完全粘接时的振幅比。
The amplitude ratios of different reflected and transmitted waves were obtained for an imperfect boundary, and deduced for normal force stiffness, transverse force stiffness and perfect bonding.
报道了应用边界积分方法模拟完全非线性孤立波的传播与直墙反射，给出了波形演变过程。
Modeling the propagation and end wall reflection of a fully nonlinear solitary wave with the boundary integral equation method is reported in the paper.
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；
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.
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。
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.
在一种媒质（如水或玻璃）中的光线从媒质的边界完全反射回媒质内部的现象。
Complete reflection of a ray of light in a medium such as water or glass, from the surrounding surfaces Back into the medium.
虽然区域构造与火山岩的复合发育区的基本轮廓可被识别，但陡倾角地层的反射成像不清晰，火山岩地层边界模糊。
Though it is roughly recognizable for the outlines of regional structure and volcanic rocks, the images of steep dip strata and boundary of volcanic rock are smeared.
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。
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.
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。
In order to decrease the reflection of wave on the boundary, spongy condition was used on top boundary.
考虑到人工截断边界上波反射对计算结果的影响，分别用传递边界和半无限单元来处理侧面和底面边界。
In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.
试验结果表明中值边界条件的误差比逆反射边界条件误差小。
The results demonstrate that the error with medium boundary conditions is smaller than that with antireflective boundary conditions.
因为晶格振动的波在达到界面时会被反射，所以镜面反射边界条件与循环边界条件相比更符合晶格振动的特点。
Lattice wave will be reflected when it reaches the boundary so that the reflecting boundary condition is more reasonable than cyclic boundary.
通过与钻井资料对比可知，频谱分解技术可以刻画不同频率强反射、弱反射的边界。
It is known by correlation with drilling data that the spectral factorization can describe the boundaries of strong reflection and weak reflection in different frequencies.
通过无穷多次镜像反射叠加得出两侧直线补给边界深井降水分析方法。
The analytic method of deep well dewatering with two lateral linear recharge boundary was obtained by successively adding infinite multi-mirror-image reflections.
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。
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.
考虑介质辐射能的入射和散射方向，导出漫反射、不透明边界、各向异性散射介质的辐射传递系数。
Considering incident and scattering directions of radiative energy, radiative transfer coefficients for anisotropic scattering medium with diffuse and opaque boundary surfaces are deduced.
考虑入射波在两种介质界面上会产生反射和透射，故在总场边界上引入入射波、反射波和透射波。
Owing to the presence of interface of dielectric and air, it is required to impose three waves, including incident plane wave, reflected and transmitted waves at the total-scattered field boundary.
在显微物镜的成象光路中，增加一块振荡反射镜，使被测线宽的放大象相对窄缝扫描，将光学边界信息转变为梯形电脉冲。
Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.
开发了一种采用扭曲边界聚合物分散型液晶(TPDLC)的高亮度、高对比度反射式显示器。
A high brightness and high contrast reflective display using twisted-boundary polymer-dispersed liquid crystal (TPDLC) is developed.
开发了一种采用扭曲边界聚合物分散型液晶(TPDLC)的高亮度、高对比度反射式显示器。
A high brightness and high contrast reflective display using twisted-boundary polymer-dispersed liquid crystal (TPDLC) is developed.
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