近似方法

Inchapter three,the one dimension spin chain with alternating spins 1 and 1/2 is studiedby Green Function's decoupling approximate method.

第三章是用格林函数切断近似方法来研究一维自旋链。

Stochastic approximation which is used for parameter estimation is an iterative algorithm for random environments.

中文摘要随机近似方法是一个递回式的演算方法，在随机的环境下作参数估计。

After a detailed introduction of the discrete dipoleapproximation method, we developed a graphic technique based on theresolution of the vector to analyze the dipole lattice in the result.

在详细介绍了离散偶极近似方法后，我们提出了一种基于矢量分解的图形分析方法来处理结果中的偶极(来源：ABCc623论文网www.abclunwen.com)阵列。

The ring cavity is analyzed with approximative methods .

本文采用近似方法对这种环形腔进行了分析，详细介绍了它的设计及优化方法。

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

在密度泛函理论框架下的局域密度近似方法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。

The reults show that the recrossing and tunneling effects exist and the corrections by means of CVT method and small curvature approximation method are efficient respectively.

结果表明，反应存在返回效应和隧道效应，反应途径的曲率对隧道效应影响较大，用变分过渡态方法和小曲率近似方法分别进行校正是有效的。

Calculation of Attitudes and Positions in MSBS use simple geometry method, which is less complex and timelier compared with traditional method.

磁悬挂天平的位姿计算采用简单几何近似方法，与传统计算方法相比，位姿信息计算的复杂性降低，实时性得到保证。

In traditional analysis method, the harmonic approximation is employed, and an effective capacitance of varactors during one period is calculated by the large-signal nonlinear analysis.

在传统的谐波平衡近似方法中，通过大信号非线性分析方法可以计算出一个周期内可变电容的有效电容值。

For the one-sided case, it does not involve any approximations, resulting in an exact method.

就单尾的情况来说，这是一个精确的方法；就双尾而言，则为一个好的近似方法。

Presently there exists no convenient method to determine the baking temperaiure for glass vacuum chamber which uciuall plays an important role in the acement of required vacuum circumstance in high-vacuum system made of glass,In this paper approximate method was represented to calculate the baking temperature of glass surface by the emissivities of appropiate materinl surface,determining the baking temperature difficult to be tested by the relation ship recommanded by the paper and the indication of an ausa...

在高真空系统中，真空室的烘烤温度对获得要求的真空氛围有着重要的影响，对于玻璃制作的真空系统，目前对于该温度的确定缺少一种较为简单易行的方法，本文基于辐射换热分析提出了具有通用性的利用材料表面辐射率来计算玻璃表面烘烤温度的近似方法，将这难以直接测量的温度通过附设热电偶的示值和本文推荐的关系式来确定，于实际情况相比较为吻合。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。