考虑带松弛项的守恒律方程,用格林函数的方法得到了其整体解的逐点估计。
We study the pointwise estimates of solutions for the conservation law with relaxation by Green's function.
数值结果表明,二级离散复镜像方法是一种快速、有效的求解闭式格林函数的方法。
Numerical results show that the two-level DCIM is an efficient method for calculating the closed-form Green's Functions.
利用积分方程方法以及半空间并矢格林函数的快速算法对埋地目标体矢量电磁散射进行正演计算。
Forward electromagnetic scattering by buried objects is computed with the integral equation method and efficient algorithm for half-space dyadic Green's functions.
用散射、叠加方法推导出两层大地的并矢格林函数。
The dyadic Green's functions of two-layered earth are derived by the method of scattered superposition.
这些工作为格林函数快速计算方法的实现以及积分方程的矩量法高效求解打下了基础。
The derivations lay a good foundation for the efficient evaluation of Green's functions and the fast solving of scattering problems by the method of moments (MoM).
运用相对论量子场理论,提出了一个相对论格林函数计算能带的近似方法。
Applying the theory of relativistic quantum field, the paper puts forward an approximate method to calculate electronic energy band with relativistic Green Function.
本文提出一个方法,来推求在(3)式中所定义的、在全空间中的格林张量函数。
In this paper, we suggest one method of finding the Green tensor functions in whole space, which are defined in formula (3).
本文采用并矢格林函数和场量变换方法,给出了圆形波导中偶极天线辐射的普遍公式。
The general formulas of radiation from dipole antenna in a circular waveguide are given by means of dyadic Green's function and field transformation.
本文提出一种应用平面波导模型和平面格林函数计算微带不均匀性的方法。
A new method for calculating the microstrip discontinuities by using the planar waveguide model and planar Green's function is presented.
使用离散复镜像方法(DCIM)快速得到平面分层介质的空间域的闭式格林函数,避免了费时的索末菲尔德积分。
To avoid calculating the time-consuming Sommerfeld's integrals, the discrete complex image method (DCIM) is employed to obtain spatial domain closed-form Greens function for planar-layered media.
本文提出了一种数值求解不可压粘性流体定常运动的格林函数方法。
This paper presents a Green's 'function method for the numerical solution of steady-state incompressible viscous fluid flow.
用这种方法详细推导了均匀各向同性介质波导中的并矢格林函数。
With this method, we studied the dyadic Green functions of waveguides in isotropic media in detail.
对于轴对称任意径向分层的完全非均匀介质,建立了求解静场问题数值模格林函数的理论及高效计算方法;
The theory and high efficient algorithm is set up to obtain the numerical mode Greens function for static steady field problem in arbitrary cylindrical layered media.
利用积分变换方法得出了两相材料中作用简谐集中力时的格林函数。
By using Fourier transform method, the Green function of a point harmonic force applied at a bi-material plane is obtained.
第三章介绍了非平衡格林函数方法及其在介观输运中的应用,推导了广泛应用的运动方程以及电流公式。
Chapter three introduces the nonequilibrium Green function method and its applications in mesoscopic transport, and the widely-employed Keldysh equation of motion with a current formula are induced.
在第三章中,我们利用格林函数方法研究了非对称的双量子点分子的谱性质和电子输运性质。
In chapter three, we study the spectral properties and electronic transport properties of asymmetrical double-dot molecule using causal Green's function approach.
文中采用并矢格林函数方法,分析和计算了椭圆柱面上微带天线的辐射特性,并讨论了辐射特性随离心率的变化规律。
Based on the method of Dyadic Greens functions, the radiation patterns of the microstrip antennas printed on the surface of elliptic cylinder are analysised and calculated in this paper.
应用线性自旋波的理论和格林函数运动方程技术,利用数值计算的方法得到铁磁-反铁磁双层系统的低温比热。
Using spin wave theory and the equation of motion technique for the Green function, specific heat of ferromagnetic antiferromagnetic double layers at low temperature is investigated.
应用非平衡格林函数方法研究通过环形碳纳米管—量子点耦合系统的介观输运。
The mesoscopic transport through a quantum dot and a toroidal carbon nanotube (TCN) coupled system is investigated with the nonequilibrium Green's function technique.
应用格林函数方法,将波纹膜片的非线性边值问题化为非线性积分方程进行求解。
The nonlinear boundary value problem of the corrugated diaphragm reduces to the nonlinear integral equations by applying the method of Green's function.
考虑到杂质和表面粗糙的散射,运用量子统计的格林函数方法,计算金属薄膜中的电导率。
Taking into account impurities and rough surfaces scattering effects, using the Quantum-statistical Gree's function approach, We calculate the conductivity of metallic film.
利用递推格林函数技术计算了多终端量子体系的电子输运特性,首先运用递归方法给出介观或量子体系的格林函数。
We have introduced a method for the calculation of electron transport in a multi_terminal quantum system based on the recursive Green's function technique.
利用弹性散射格林函数方法,研究了低聚次苯基乙炔分子器件的电输运性质,并分析了水环境对分子器件电输运性质的影响。
Basing on first-principles and elastic scattering Greens function theory, we study the electronic transport property of oligomeric phenylene ethynylene molecular devices.
本文总结了近几年来用格林函数方法研究氢键铁电体相变所取得的一些进展。
In this paper, our study on the hydrogen-bond ferroelectrics with Green's function method is reviewed.
提出了利用微扰正向扩散计算方法的思想,建立了全堆芯格林函数方法(CGFM)中的格林函数库。
The perturbation diffusion calculation method is used to establish the Green's function library for Core wise Green's function method (CGFM).
该方法利用GPOF方法,大大提高了空域格林函数的计算效率。
This approach USES the GPOF method, which is more robust and much faster, in the derivation of the spatial-domain Green's functions.
在必要的空间计算中,该方法又利用了格林函数节块法的原理求解形状函数的空间分布,使空间网格距可以达到有限差分法的近20倍。
In spatial calculation, the NGFM is used to get the distribution of shape function, and it's spatial mesh can be nearly 20 times larger than that of Diffinite Differential Method.
二级离散复镜像方法将谱域格林函数分两步近似,减少了广义函数束方法对格林函数进行指数拟合的时间。
In the two-level DCIM, the approximation is performed at two levels to reduce the time to fit the Green's functions with exponential functions so that the efficiency is improved.
根据物理光学方法(PO)和半空间并矢格林函数,推导出半空间中理想导体的散射场。
The scattering fields of a perfect conducting object are evaluated by the physical optics (PO) and half space dyadic Green's function.
根据物理光学方法(PO)和半空间并矢格林函数,推导出半空间中理想导体的散射场。
The scattering fields of a perfect conducting object are evaluated by the physical optics (PO) and half space dyadic Green's function.
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