近似方法

作为一种快速高效、高精度的近似方法，小波分析构成调和分析领域中Fourier分析的重要发展。

As a fast , efficient , accurate approximation methods , promote the wavelet analysis in the field of harmonic analysis Fourier analysis of the important development .

重点介绍了模型检验方法中的收敛近似方法和过近似方法，通过一个化工过程系统的验证实例详细介绍了验证工具CheckMate的验证算法。

The emphasis was put on the convergent approximation methods and the over approximation methods in the model checking . The algorithm adopted in the verification tool CheckMate and its application on a chemical process system was introduced in details .

将时滞线性系统H∞控制的近似方法应用到结构减振主动控制中。

Second , the approximate method is applied to the structural seismic response control .

使用CNDO/S型近似方法计算NaNO2晶体的倍频系数

Calculation of SHG coefficients of nano_2 crystals by using cndo / s method

高阶旋转波近似方法及其对任意强度耦合的多光子J－C模型的应用

On Method of High-Order RW Approximation and Application to Multi-Photon J-C Model with Any Coupling of Intensity

对于系统的容量分布函数，采用高斯和Gamma近似方法，都得到很好的近似效果；

The Gaussian and Gamma approximations to system capacity cumulative distribution function were very accurate .

以均值分析方法作为系统性能分析的近似方法，用模拟退火（SA）方法解决了可重人生产线中检测站设置的寻优问题。

Mean value analysis is adopted and simulated annealing is used to optimize the inspection allocation in re-entrant lines .

WKB近似方法在解对称四次方双势阱中的应用

WKB solution for a symmetrical double potential well to power four

Li~+非相对论基态能量的Hartree近似方法计算

Calculating the Ground-State Energy of Li-ion by Using Hartree Approximate Method

对于阻抗表面球，物理声学方法和严格解的比较表明，物理声学方法仍然是高Ka值时的一种很好的近似方法。

For the impedance sphere , a comparison between the physical acoustic method and the exact solution shows that the physical acoustic method is still a good approximation for the higher ka values .

本文采用密度泛函理论的广义梯度近似方法对掺N的4H-SiC若干属性进行了第一性原理研究。

The density function theory in generalized gradient approximation is used in this paper to analyse some properties of N-doped 4H-SiC by first principles method .

用Mean-fieldhopping的近似方法研究了同格点电子相关对Anderson无序系统的影响。

The effect of on-site electron correlation on Anderson 's disorder system was studied by use of an approximate solution so-called Mean-field hopping .

我们采用了Born近似方法和重加权正则化共轭梯度法（RRCG）算法。

Our method is based on the Born Approximation and re-weighted regularized conjugate gradient ( RRCG ) method .

利用速率方程近似方法分析了CS2在XeCl准分子激光（波长为308nm）激发下多光子电离的动力学过程。

The MPI dynamical process of CS_2 induced by XeCl laser is analysed with the rate equation approximation .

在密度泛函理论框架下的局域密度近似方法（LDA）能够准确地给出广延态电子体系的基态电子结构，是研究复杂体系的电子结构的一种非常成功的方法。

Local density functional is successful in dealing with the complex system . It can give accurate properties of ground states of delocalized systems .

与近似方法和常规方法相比，理论上CFD离散方法的计算结果更接近实际值，并能减少不必要的能源浪费。

Compared to the approximate method and ordinary method , this new method could reduce some unnecessary energy consumption , and the calculation results were more close to the true values in theory .

对于燃烧过程中所产生的热释放，采用Lagrangian粒子携带热量的近似方法来模拟，这些运动粒子进一步用来标识烟气的输运过程，同时还近似模拟了水喷淋和热气流的相互作用过程。

The motion of smoke is driven by Lagrangian particles ( thermal elements ) carrying the heat release of combustion , and a water spray ejected from a sprinkler is simulated .

利用这种近似方法推导出了计算圆锥后向LRCS的解析式并给出了具体的计算结果；

By this method , the formula for the coherent backscattering LRCS of cones is developed , and the calculation results are given .

对宽角度轫致辐射光子的屏蔽，应考虑加速器工作负荷因子w，x射线束定向因子U，和有关人员居留因子T。对散射光子的屏蔽，根据Braestrup和Wyckoff的近似方法进行设计。

W must consider the accelerator work load factor W , orientation ( use ) factor U and the occupancy factor T of related persons so as to shield the photons produced in wide-angle bremsstrahlung , In the design of the LINAC laboratory of Nanjing University .

运用密耦近似方法计算了能量在100meV下He原子和基态HF分子碰撞的态-态转动激发截面和碰撞能量分别在100meV，150meV，200meV，250meV下的总微分截面和总分波截面；

State-state rotational-excitation cross sections , total different scattering cross sections and total partial wave scattering cross sections are calculated for He-HF system by employing the accepted exact close-coupling approximation method at collision energy of 100,150,200 and 250 meV cases , respectively .

假定阻尼层厚度与其伸缩波长的比值远小于1，将阻尼层的位移沿厚度方向利用Taylor展开的近似方法来求解Navier方程；

Suppose a damping layer thickness with the ratio of its stretch and shrink wave-length far small in 1 , along the thickness direction , displacement of damping layer make use of approximately Taylor expandedness to solve the Navier square .

用黎曼分解和Osher近似方法，计算了旋转和非旋转弹丸三维跨音速绕流场。

Computations of the three dimensional transonic flowfield about a spinning and nonspinning axisymmetric projectiles are carried out by using Osher 's approximate Riemann solver .

采用递归估计器的序列求函数的最小值，并扩展了Spall的同步扰动随机近似方法，进而提出随机扰动梯度近似算法。

The sequence of recursive estimators is adopted for function minimization , and Spall 's simultaneous perturbation stochastic approximation method is extended , and then an algorithm for stochastic perturbation gradient approximation is proposed .

在第二章中分析并实现了弹簧近似方法，并对ball-vertex方法进行了简单的介绍。

In section 2 , spring analogy method is analyzed and implemented , and ball-vertex method is introduced briefly .

Al-Mg-Sc-Zr合金板材反极图测算实验结果表明，由LG法所测算的H-M反极图精度显著地高于各种现行的近似方法。

The experiment results of Al-Mg-Sc-Zr alloy plate show that the precision of H-M inverse pole figure calculated by LG method has the obvious superiority over other current approximated methods .

本文根据能量相等的近似方法，研究了置于弹性半空间表面并受斜入射平面SH波作用的刚性圆形和环形基础的扭转反应。

The torsional response of a rigid circular foundation supported on the surface of an elastic halfspace and subjected to the action of plane SH-waves incident obliquely to the ground surface is studied by a simple approximation method which bases upon the virtual energy equalization of the input twisting .

将Hartree近似方法应用于类氦离子的试探波函数，对Li+的非相对论基态能量进行计算并于实验值相比，误差仅为0.8%，得到较为满意的结果。

The result of non-relativistic ground state energy of Li-ion has been obtained by using Hartree approximate method into trial wave function of helium-like ions , the error being 0.8 % , and it is well in accord with the value gotten from experiment .

确定凸轮机构基本尺寸的近似方法

An approximate method for determining the basic size of cam mechanism

用尺规三等分任意角的一种近似方法

An Approximate Way of One-third Equal Devision of an Arbitrary Angle

金属氢理论（Ⅳ）Wigner&Seitz球原胞近似方法

Theory of Metallic hydrogen (ⅳ) Wigner-Seitz Spherical Primitive Cell Approximation