建立了时变入射波下的衍射层析基本公式。
The basic formula of the diffraction tomography with time-varied incident wave was established.
也给出和分析了波驱动和入射波功率的关系。
We also analyzed the relationship between the driving efficiency and wave power launched into plasma.
然后用耦合波理论分析了入射波偏振态的影响。
Then the polarization effect of incident wave was analyzed with coupled wave theory.
最后,我们求反射波和入射波各分量的位相变化。
Finally, we determine the changes in the phases of the components of the reflected and the incident wave.
反射波振幅与入射波振幅的比率称作反射率或反射系数。
The ratio of the amplitudes of the reflected and incident waves is termed the reflectivity or reflection coefficient.
声散射问题的研究一般建立在入射波为平面波的基础上。
Previous research on acoustic scattering was generally on the premise that the incident waves were plane waves.
反射波振幅与入射波振幅的比率称作反射率或反射系数。
Reflectance: The relative amount of reflected light of a surface. May be expressed in percentage.
入射波会在物体另一侧重新聚首,就好像什么都没遇到一样。
The waves meet up again on the other side, appearing just as they would if nothing were there.
当装配偏移方向与入射波极化方向正交时,出现较大相位延迟。
And there is much more phase delay, when the fabrication excursion is perpendicular to the incident wave polarized direction.
随着入射波频率的增大,位移幅值的分布由简单逐渐变得复杂。
With the increase of the incident wave frequency, the amplitude distribution become complex gradually.
然后根据奇异点位置确定入射波、缺陷反射波、桩底反射波位置。
Then, the positions of the incident wave, pile-toe reflection wave and flaw reflection wave can be determined by the position of singular point.
通过测量后向反射波与入射波的强度比,可以确定介质的三阶极化率。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
同时使用部分数据分析了不同构型下,入射波频率对RCS值的影响。
Meanwhile, investigated the effect of incident frequency on RCS by using partial data.
由信号的奇异点位置很容易确定入射波、缺陷反射波、桩底反射波位置。
Then the incident wave, pile-toe reflection wave and flaw reflection wave can be judged by the position of singularity.
采用解析方法研究了斜向入射波作用下双淹没矩形体的透反射系数特性。
An analytic method is used to analyze the transmission and reflection coefficients of double-submerged rectangular blocks (DSRB) in oblique waves.
根据线性波理论,提出了一种计算有限水深情况下入射波激励力的方法。
According to the linear wave theory, the paper suggests a method that is used to evaluate the exciting force of the incident wave in finite water depth.
讨论了光栅周期、光栅深度、入射波入射角度等参数对光栅衍射特性的影响。
The effects of grating period, the grating depth , and incident angle on the grating diffraction characteristics are investigated.
分析模型考虑了不规则场地和基础对入射波的散射作用以及土与基础的相互作用。
In the model the scattering effect of the irregular topography and the foundation on the incident waves, and the interaction between the foundation and the soil are considered.
入射波的入射角、入射频率及单元体所处深度对动应力路径的形状有较大的影响。
There is great influence of the incident Angle, the incident frequency and the depth of the soil element on the shape of stress path.
然后应用前面所求得的船行波作为入射波,在时域内对圆柱周围的散射势进行求解。
The diffraction wave field by the cylinder is estimated using this method. Forces and moments acting on the cylinder are estimated from the diffraction wave field.
本文介绍了一种能够把入射波有效引入PSTD计算区域的新方法———加权总场法。
To introduce an incident fields into the PSTD computed region, a weighted-total-fields technique is presented in this pa per.
本文提出一种简捷有效的方法,即等效入射波法分析光子扫描隧道显微镜(PSTM)。
A simple and effective method - equivalent incident wave method of FDTD was presented and used for analysis of photon scanning tunneling microscopy (PSTM).
入射波上升时间增长,反射脉冲变宽,幅值降低,但一定程度上有利于检测出绝缘故障。
The width of the reflection pulse is increased and its amplitude reduced as the rise time of incident wave delays, which may to some extent be good for the detection of insulation faults.
当两测点在入射波方向上的投影距离为入射波半波长的倍数时,该方法会出现奇异问题。
When the projecting distances of two gauges on the incident wave direction equal half of the incident wave lengths or time it, there will be a singular problem.
计算结果表明,当入射波为斜波时,本文方法和程序可用于估测超大型浮体结构的挠曲变形。
The results of calculation represent that the method and the program can be used to estimate the deflection distortion of VLFS when the incident waves are oblique waves.
换一种方式,我们可以这样想象:入射波被物体反射,所得到的衍射波再一次受到物镜的衍射。
Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens.
等离子体厚度、入射波频率、电子数密度分布对功率反射系数的影响几乎与波的极化方向无关。
The effect of plasma thickness, wave frequency, electron number density distribution on it is almost independent of the wave polarizing direction.
沉积盆地地表运动有强烈的扭转效应,并且此扭转效应随盆地变软和入射波频率的增高而增强。
The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher.
龙伯透镜天线是一种球形的分层介质透镜天线,其主要特点是能够把入射波聚焦到球表面一点。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
但由电磁场理论,入射波并不是简单地全部返回原媒质,而是要在第二种媒质中存在一折射波。
Then based on electromagnetic theories, incident wave is not totally reflected back, there is also a refractive wave in the second medium.
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