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。
In solving the mathematical model, two time-saving and effective numerical methods have been tested and compared with the finite difference method commonly used.
对动态数学校型的数值求解，试验了两种颇为有效的方法，并将这两种方法和常用的有限差分方法作了比较。
The algorithm USES multi-time steps to replace single time step in traditional non-uniform finite-difference time-domain (NU-FDTD) method to enhance the computing speed.
该方法通过应用多个时间步长替代传统非均匀时域有限差分(NU - FDTD)法的单一时间步长的算法来提高计算速度。
Splitting method and implicit time difference scheme are used in the numerical calculation.
数值计算中采用了分解算法及隐式时间差分方案。
In this paper, through comparing various algorithms, Finite-Difference Time-Domain method (FDTD) for electric waves is selected for calculation which is applicable to this subject.
本文通过对各种算法的比对，选择了适用于本课题模型的电磁散射计算方法—时域有限差分方法(FDTD)。
The EMP cortically induced current in coaxial cables near the ground is analysed by using Finite-Difference Time-Domain method in this paper.
本文采用时域有限差分法，分析电磁脉冲作用下，地面附近同轴电缆所感应的外皮电流。
The interaction of the pulse electromagnetic field with human body using the Finite-Difference Time - Domain (FD-TD) method and the inhomogeneous block human body model is discussed in this paper.
用时域有限差分法和非均匀块状人体电磁模型研究了脉冲电磁场对人体的作用问题。
On the basis of the previous research, in this dissertation, the Finite Difference Time Domain (FDTD) method and its application for plasma stealth technology is studied systematically.
在前人研究的基础上，本文对时域有限差分法(FDTD)及其在等离子体隐身技术中的应用进行了系统的分析和研究。
Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.
与原两种相位差法相比，这种方法只采一段时域信号，且进行两次相同点数的FFT分析。
A numerical approach based on finite difference time domain (FDTD) method was presented for investigating the diffraction effect of a metal grating fabricated in QWIP.
本文给出了一种基于时域有限差分法(FDTD)的数值方法，计算制备在QWIP器件上的金属光栅的衍射效应。
The paper puts forward the method that is more perfect in theory by considering losses in financial year as the time difference.
以年度亏损弥补视同时间性差异为前提，提出了理论上更为完善的处理方法。
Various borehole and formation conditions were simulated using the fourth order accuracy in space and second order accuracy in time centered finite difference method.
利用空间上具有四阶精度、时间上具有二阶精度的中心差分方法，数值模拟了几种复杂井眼条件下的波场。
The spatial field FE discrete method of the virtual work equation and the time field central difference discrete method of the FE equation in the dynamic explicit method are described in detail.
详细分析了动力显式算法中虚功方程的空间域有限元离散方法和有限元方程的时间域中心差分离散方法。
In this paper, the time domain finite difference (TD-FD) method was used to analyze microstrip discontinuities.
本文采用时域有限差分(TD - FD)法分析微带不连续性问题。
For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.
针对加性色噪声背景下的多分量线性调频信号参量估计问题，提出了基于相位差分的时频子空间方法。
A novel global FDTD scheme based on a drift-diffuse model of semiconductor combined alternating direction implicit finite-difference time-domain (ADI-FDTD) method is presented in this paper.
提出一种基于半导体器件漂移扩散模型并结合交替方向隐式时域有限差分(AD I -FDTD)法的新型全域FDTD法。
In this paper, the mudstone acoustic time difference method and the vitrinite reflectance method are used to calculate the Lower Cretaceous denuded thickness in the Santanghu basin.
文中利用泥岩声波时差和镜质体反射率法计算了三塘湖盆地下白垩统的剥蚀量，两种方法得出的结果吻合较好。
In this paper, the WKB method and the finite-difference time-domain (FDTD) method are applied to study the electromagnetic characteristics of target coated with different plasmas.
本文较系统地用WKB方法和FDTD方法研究了不同等离子体覆盖导体目标的电磁特性。
The problem of light localization in two-dimensional random media with different filling densities of the same material particles is studied by use of the finite difference time domain method.
用时域有限差分法研究了同一材质的颗粒在不同填充密度下的随机介质中光局域化问题。
The explicit finite difference method is used to perform numerical prediction of freezing time of slab shape food in this paper.
采用有限差分法获得平板状食品冻结时间的数值解。
Methods TPPA and CMIA method tests were taken at the same time for 983 serum samples collected in our hospital, to compare the test result difference between the two methods.
方法对本院收集的983份血清样本同时进行TPPA法与CMIA法检测，对比两种方法检测结果的差异性。
Thus, we obtained characteristics of radar images by experiments in different environment, and implemented forward modeling using two-dimension finite difference time domain method.
因此，通过不同环境的试验得到雷达图谱特征，并利用二维时域有限差分法对其进行正演模拟。
The rigorous electromagnetic analysis of diffractive micro-cylindrical lenses that are finite in extent using a two dimensional finite-difference time-domain (FDTD) method is presented.
利用严格电磁分析方法——时域有限差分法，对有限口径衍射微柱透镜的轴向光强分布进行了严格分析，并且与传统的标量分析方法进行详细比较。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
Optical field in tapered optical fiber is numerically simulated using 2D finite-difference time-domain (FDTD) method, optical character in different cladding radius is expounded.
然后用时域有限差分法（FDTD）数值计算了锥形光纤光场分布，论述了在不同的包层半径处，光纤锥的光场分布特性。
From the basic equations in acoustics, boundary condition expressions on penetrable interfaces between media can be derived for the finite difference time domain (FDTD) method.
在透声界面附近运用声学基本方程可导出边界条件的时域有限差分(FDTD)表达式。
The response of electromagnetic pulse logging in anisotropic formation was simulated with three-dimensional finite-difference time-domain (FDTD) method in cylindrical coordinate system.
利用三维柱坐标系时域有限差分(FDTD)方法计算了各向异性地层中电磁脉冲测井响应。
The finite difference method (FDM) is used in the numerical calculation. Fielddistribution at particular time and field at one point as a function of time are displayed.
数值计算采用了有限差分法，可算出某时刻厚板边缘散射场的分布和某点声场随时间的变化。
In addition, the distribution of light fields in the photoresist layer is analyzed by finite-difference time-domain method.
另外，本文还利用时域有限差分法分析了光刻胶层内部的光场分布。
The imaging system formed by an annular left-handed material (LHM) lens as well as the evanescent waves in the lens are simulated numerically with a finite-difference time-domain (FDTD) method.
利用时域有限差分法模拟了左手圆环形透镜的成像和透镜中的倏逝波。
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