微扰法

针对经典微扰法（SPM）求解粗糙表面电磁散射特性存在的问题，提出了一种基于二维表面场的一阶和二阶展开近似高阶微扰算法。

To solve the problem in electromagnetic scattering calculation by classical small perturbation method ( SPM ), a new high-order SPM was put forward based on first-order and second-order expansion approximation of 2-dimensional surface electric field in this paper .

基于微扰法指数型粗糙面电磁波透射问题研究

Investigation on Electromagnetic Wave Transmission from Gaussian Rough Surface Based on Small Perturbation Method

驾驭斑图（pattern）的新方法&空间微扰法

Controlling patterns by spatial perturbation method

谐振腔微扰法测量介电常数及Matlab在其中的应用

Resonance Cavity Perturbation Method for Measuring Dielectric Constant and Application of Matlab

参数共振微扰法在Boost变换器混沌控制中的实现及其优化

Application of resonant parametric perturbation to the chaos control in Boost converter and its optimization

推广应用分歧理论的微扰法，求出了Brown方程的最小正分歧点和从此点发出的分歧解。

We generalize the perturbation method in bifurcation theory to study the initial bifurcation of Brown 's equation .

微扰法研究薄膜负载对Lamb波传播的影响

Study to influence of thin layer loading on propagation of Lamb waves using perturbation method

初应力场的Rayleigh波微扰法求解落体偏东

Rayleigh Waves in Initial Stress Field Solution to a free falling body towards the east by perturbation

Fe~（＋24）、Fe~（＋25）低能态能级结构及Kα、Kβ特征线的计算&相对论微扰法

Calculations on the Low Energy States and the K_ α, K_ β Lines of Fe ￣( + 24 ) and Fe ￣( + 25 ) - Method of Relativistic Perturbation

fBm随机粗糙面电磁散射的微扰法近似

Electromagnetic Scattering from fBm Rough Surface Using Perturbation Method

采用微扰法，研究了不同质量分数的ZnO以及不同的热处理制度对SiO2-Al2O3-MgO-La2O3微晶玻璃系统微波介电性能的影响。

The effects of different mass fractions of ZnO and different heat-treatment procedures on the microwave dielectric properties of SiO_2-Al_2O_3-MgO-La_2O_3 glass ceramic system were investigated by perturbation method .

本文利用微扰法，导出了克尔型非线性对称平板光波导TE模传播常数的近似计算公式。

A perturbation method has been developed to derive the approximate computing formulae of propagation constants for TE modes on Kerr-type nonlinear symmetric slab optical waveguides .

用Muller法进行了精确计算，用微扰法作近似计算。

The exact solution and the approximate calculation are obtained by the Muller 's method and the perturbation method , respectively .

通过矢量散射理论中的微扰法得到不同极化的角散射分布（Angular-ResolvedScattering，即ARS）和总体积分（TotalIntegratedScattering即TIS），利用TIS法计算粗糙表面的特征参数。

Angular-Resolved Scattering ang Total Integrated Scattering is derived by using the perturbation method of vector scattering theories . Character parameter of rough surfaces is calculated by using TIS .

但大部分岩矿样品的ε′和tanδ超出了微扰法的量程范围，无法用该方法直接测量。

However , it is not suitable to measure a majority of rocks and minerals whose ε′ and tan δ values are beyond the measurement range using the perturbation method .

提出了用维数和未耗散系数表示的任意形状的金属氧化物半导体气敏晶体的无量纲化Poisson方程，并利用微扰法对Poisson方程进行了求解。

The dimensionless Poisson equation described by dimension and undissipation coefficient for metal oxide semiconductor gas sensing crystals with an arbitrary shape is presented and solved by using the perturbation method .

文章采用面元KA法及微扰法近似计算，建立海面多路径下比相测角仿真模型，并通过在造波池开展定量试验验证计算模型精度。

KA and SPA are used to simulate the phase-compare angle measurement by multipath over sea surface , and the calculation model precision is tested by quantitative measurements in wave tank .

微扰法是测量微波频率下介质材料复介电常数的简单易行的方法，尤其对低ε′和低tanδ介质的测量很灵敏，至今仍在广泛应用。

Resonant cavity perturbation method , widely used as an easy and fast method for determining dielectric properties of materials at microwave frequencies , is very sensitive to the measurement of the materials with low ε′ and tan δ values .

在应用变分法和数值法计算氢原子的能级过程中，计算十分复杂，而应用微扰法求解氢原子的能级，存在解久期方程的n2高阶行列式的困难。

The calculating of hydrogen atom 's energy is very complicated in applying variational method and value method . It is difficult to calculate secular equation 's n ~ 2 high rank determinant by using the perturbation theory in degenerate state .

本文采用Stewart-McCumber模型，用双变量微扰法在二级近似下对Josephson结的行为进行了讨论。

In this paper , the behavior of the Josephson junction is discussed based on the Stewart-McCumber model and a multiple-soaking expansion which is accurate to the second order approximation .

本文用微扰法分析磁光波导中Voigt效应导致的模式转换问题，所得结果与亚里夫模式转换理论给出的结果相吻合。

In this paper , the mode convertion induced by using Voigt effect in magneto - optic waveguide is analysed by using perturbation method , both this theory and Yavis 's give the same Consequence .

在Marechal假设的基础上，利用小参数微扰法解出了双原子分子的振动能级，从而提高了BO近似的精度。

On the basis of Marechal 's hypothesis , the vibrational energy level for the diatomic molecule is solved by using the small parameter perturbation method , and Born-Oppenheimer approximate accuracy is improved .

采用微扰法，从FBG受到应力产生应变以后模式场变化的角度，探讨了传输常数和有效折射率的变化，同时对FBG的应变灵敏度系数得出了更精确的结果。

In this paper , perturbation method is introduced to discuss the variety of the propagation constant and the effective index in detail according to the change of the mode field of the FBG under strain , which gives a more accurate result of the strain sensitivity coefficients .

第二节中从Frohlich激子一声子系哈密顿出发，用Haga研究极化子时提出的微扰法导出了激子的基态能量、有效质量以及内部势能；

In section 2 , from a Hamiltonian of the exciton-phonons system , the ground state energy , effective masses and electron-hole interacting potential are derived by using a perturbation method proposed by Haga .

5研究了参数共振微扰法控制电流反馈型buck-boost变换器的混沌，研究结果表明选择适当的扰动频率和幅度能有效地控制电路中的混沌，而且相位的改变也直接影响控制效果。

Fifth , resonant parameter perturbation to control chaos of current-programmed buck-boost converter is studied . The research results show that chaos of circuits can be effective controlled by choosing appropriate disturbed frequency and amplitude . Moreover , modification of phase also has an direct effect on control .

最后本文对几种混沌控制方法进行介绍，并将共振参数微扰法应用于连续导电模式SEPIC变换器的混沌控制中，实现了对变换器中混沌现象的控制，并给出了仿真与实验结果。

In the end , several kinds of chaos control methods are introduced . The Resonant Parametric Perturbation is applied to control the chaos in continuous conduction mode SEPIC converter , which realizes the control of chaos in SEPIC converter , and the simulation and experiment results are given finally .

首先得到了不同色超导相下的状态方程，接着给定能隙△后对状态方程做了比较，采用TOV方程的微扰法，分析不同色超导相下以及星体旋转快慢对质量半径关系的影响。

We first obtain equation of states and compare them for different phases of color superconductivity for a giving gap . In order to analyze the effects of different color superconducting phases and rotation frequency on the mass radius relations , the perturbation method of TOV equation is used .

小位错圈电子衍衬象的微扰法计算

Perturbation calculation of electron diffraction contrast images of small dislocation loops

给出了谐振腔微扰法的测量原理；

It lists out the measurement principle of resonant cavity perturbation .

微扰法求非线性谐振子的配分函数

Solving the partition function for non-linear harmonic oscillator with perturbation method