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dispersive media
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  色散介质
     6. The curvature radius of pulse fronts of ultrashort pulsed Gaussian beams with constant diffraction length are amended in dispersive media.
     6、得到等衍射脉冲高斯光束在色散介质中曲率半径的修正公式,对正反常色散介质的曲率半径、波前曲面作了详尽的分析。
短句来源
     In the second part the effective metric model for light interacting with moving dispersive media has been established for the first time and the analogous model of Einstein gravity theory is generalized from non-dispersive medium to dispersive medium cases.
     第二部分首次建立了光在运动的色散介质中有效度规模型,将类Einstein引力理论(即有效度规理论)从非色散介质推广至色散介质领域。 其中包括三个内容:首先建立了光与运动的色散介质相互作用的有效度规模型,研究了光与色散介质相互作用中形成的电磁视界、电磁黑洞和Hawking辐射;
短句来源
     The analysis of electromagnetic scattering and propagation for dispersive media is complicated in time domain, because its dielectric property is frequency-dependent.
     色散介质的介电系数是频率的函数,使本构关系在时域成为卷积关系,这就给应用FDTD方法计算色散介质中波的散射和传播带来困难。
短句来源
     A JEC finite-difference time-domain (JEC-FDTD) methodology for dispersive media is extended to anisotropic magnetized plasmas.
     将色散介质的电流密度卷积 时域有限差分 (JEC FDTD)算法推广到各向异性磁化等离子体色散介质 .
短句来源
     5. Taking the Gaussian pulse as a typical example, the characteristics for ultrashort pulsed Gaussian beams with constant diffraction length between propagating in normal and abnormal dispersive media are summarized.
     5、以高斯型脉冲为例,总结等衍射脉冲高斯光束在正常、反常色散介质中的特点。
短句来源
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  色散媒质
     ADI-FDTD Method for Dispersive Media Using the Z Transform
     色散媒质中采用Z变换的ADI-FDTD方法
短句来源
     There are three key problems on applying this method to the scattering analysis of ground target: 1) to construct the FDTD iterative equation used in dispersive media;
     进而论文详细研究了运用该方法分析地面目标和树散射特性的关键技术,分析和解决了三个关键问题:1)色散媒质的FDTD迭代方程问题,建立了用于计算色散媒质的FDTD迭代方程;
短句来源
     PML Implementation for ADI-FDTD in Dispersive Media
     色散媒质中ADI-FDTD的PML
短句来源
     2) to applied GPML (bound condition) to absorb the lossy wave in dispersive media;
     2)有耗色散媒质的吸收边界条件问题,运用了GPML边界条件来吸收色散媒质目标产生的凋落波;
短句来源
     ADI-FDTD formulations for dispersive media can be derived from the simplified Perfectly Matched Layer (PML).
     该文采用递归卷积(RC)方法导出了二维情况下色散媒质中ADI-FDTD的完全匹配层(PML) 公式。
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  “dispersive media”译为未确定词的双语例句
     Properties of the propagation of negatively chirped femtosecond pulses in normally dispersive media
     负啁啾高强度飞秒脉冲在正常色散材料中传输特性研究
短句来源
     (2) Based on fractal principles, the models of grain distribution, pore distribution and water prediction are established, which provide the theory foundation for analyzing porous dispersive media.
     (2) 论文根据分形原理提出了多孔分散介质的粒径分布,孔隙分布及水分预测模型,为多孔分散介质分析提供了理论依据。
短句来源
     The FD-TD formula in Debye dispersive media (both the complex Permeability and the complex Permittivity are described by Debye equations)are deduced through Z--transforms.
     通过Z-变换技术,推出了媒质的介电常数εr<(ω)和导磁率μr(ω)同时用Debye方程表示时FD-TD法的迭代公式,并给出了相应的吸收边界条件。
短句来源
     The time-domain Electromagnetic(EM) scattering by buried objects in dispersive media is calculated by using FD-TD method.
     本文用时域有限差分法(FD-TD法)计算了浅层地下目标的时域电磁散射。
短句来源
     The electromagnetic scattering by buried objects in dispersive media is calculated by FD-TD method.
     本文论述了FD-TD法用于计算地下浅层目标的电磁散射问题。
短句来源
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  dispersive media
Such a kind of situation, though in a different physical context, is similar to that occurring in nonlinear dispersive media when two solitons collide but emerge unaltered from the interaction.
      
On asymptotic approximations for slow wave processes in nonlinear dispersive media
      
The theoretical basis for terminating dispersive media for both the time and frequency domains is presented, and simulation results for plane wave and point source excitations are demonstrated.
      
A technique is developed in this work to construct asymptotic solutions describing the resonant interaction of shortwaves in weakly nonlinear dispersive media.
      
On the basis of results of numerical analysis on a computer, the dependence of the coupled-system spectrum and the interaction energy of the polarized modes on the characteristic parameters of the dispersive media is considered.
      
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In this paper the power-flow relations between the mixed waves in optical frequency range are derived for the dispersive media from the Maxwell's equations. Thus, the Manley-Rowe relationships in the theory of parametpic amplifiers are extended to the optical frequency range.The process to generate third harmonic by twice using the second nonlinear effect is studied here. And it is shown from the results of counting that under certain condition of phase matching (|k_2-2k_1|

In this paper the power-flow relations between the mixed waves in optical frequency range are derived for the dispersive media from the Maxwell's equations. Thus, the Manley-Rowe relationships in the theory of parametpic amplifiers are extended to the optical frequency range.The process to generate third harmonic by twice using the second nonlinear effect is studied here. And it is shown from the results of counting that under certain condition of phase matching (|k_2-2k_1|

由Maxwell方程组求得了非线性色散介质中产生的光频混频波功率之間的关系,将参量放大的Manley-Rowe关系式推广到光频波段。本文还討论了由二次二級非綫性效应产生三次諧波的过程,計算結果表明,在一定的位相匹配条件下(|k_2-2k_1|

The propagation of arbitrary temporal amplitude profile optical pulses through it dispersive media is discussed by using matrix method. A pulse quality factor M2, and a generalized complex pulse parameter P-1 is introduced. The generalized ABCD law for arbitrary pulses with any amplitude shape and any chirp through dispersive systems is derived.

本文用矩阵分析方法讨论了任意时间场分布的光脉冲在一般色散介质中的传输,引入了光脉冲质量因子M_τ~2和一般化的脉冲复参数P~(-1),得到了具有任意形状和任意啁啾的光脉冲在色散光学系统中传输的ABCD定律。

Study and computation of transient electromagnetic propagation and scattering in dispersive media are difficult,especially,the direct analysis in time-domain.A modified finite-difference in time domain(FD-TD) method for computation of transient propagation and scattering fields is presented in this paper.The results obtained from this way are visualable and faithful,and an efficient direct way of numencal modelling to study the characteristic of transient fields in dispersive media and the wideband...

Study and computation of transient electromagnetic propagation and scattering in dispersive media are difficult,especially,the direct analysis in time-domain.A modified finite-difference in time domain(FD-TD) method for computation of transient propagation and scattering fields is presented in this paper.The results obtained from this way are visualable and faithful,and an efficient direct way of numencal modelling to study the characteristic of transient fields in dispersive media and the wideband problems in research fields of target detection,eletromagnetic compatibility and stealth technology is provided as well.

色散媒质中瞬变电磁波的传播与散射等问题的计算分析是比较困难的,特别是在时域直接分析更加困难,本文采用时域的有限差分法(FD-TD)来分析色散媒质中的瞬变场能直观可靠地反映其特性,为色散媒质中瞬变场的分析与研究和对目标识别、电磁兼容和隐形技术等领域的理论及应用研究提供了一种简便有效的数值计算方法.

 
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