The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The computing method using scaling model can be applied to both far field and near field.
缩比模型计算既适用于近场，也适用于远场。
A local transmitting boundary is combined with a lumped-mass finite element technique to form a mechanical model simulating the near field steady wave motion.
本文将局部透射边界和集中质量有限元技术结合起来形成一个模拟稳态近场波动的力学模型。
The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
论述了直接序列扩频测距的原理，研究了近距离测距的回波模型。
The modified Cambridge model is employed in simulating the near field soil and the nonlinear analysis method is used in the pile soil interface and distant field soil.
分析中用修正剑桥模型进行近域土体的模拟，对桩土接触面及远域土体进行非线性分析。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
为了模拟近场强地震动，采用了基于有限断层模型的一种随机合成方法。
The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
采用电波暗室作为船模预测的试验场地，进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
However, far field model can not satisfy all the needs in practical application. Therefore, the beam forming method research based on near-field become more and more important.
在实际应用中，远场假设并不能满足所有需要，因此对近场情况下的波束形成方法进行研究就显得尤为重要。
The model, which describes the charge carrier's density and the electric field evolution near the interface features a theoretical analysis consistent with the existing and experimental results.
基于以上模型，给出了界面附近的载流子和电场的动态演化过程，理论分析与已有的实验结果非常吻合。
Waveguide mode, ASE threold and near-field and far-field distribution are culcalated for a rectangle waveguide model.
利用矩形波导模型求出波导模式、放大自发辐射阈值、放大自发辐射的近场及远场光强分布。
At last, we simulate the characteristic of near wall conductivity of the sheath with groove by locating the groove sheath model in the axial electric field and the radial magnetic field.
最后，在外加径向磁场和轴向电场的条件下，模拟计算了矩形沟槽鞘层的近壁传导特性。
Mathematical analysis and numerical simulation is performed for the flow field near a rough wall based on an improved theoretical model proposed for the problem.
建立了正三角形钝体尾迹流流动模型，基于冷态实验对粗糙壁面钝体尾迹流进行了求解，并与光滑壁面钝体的解进行了比较。
Mathematical analysis and numerical simulation is performed for the flow field near a rough wall based on an improved theoretical model proposed for the problem.
建立了正三角形钝体尾迹流流动模型，基于冷态实验对粗糙壁面钝体尾迹流进行了求解，并与光滑壁面钝体的解进行了比较。
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