查询词典 perturbational

The advantages and disadvantages of balanced truncation, singular perturbational method and generalized singular perturbation are analyzed. A quasi-generalized singular perturbational model reduction method is proposed.

分析了平衡截断法、平衡奇异摄动法和广义平衡奇异摄动法存在的优缺点，提出了一种近似广义奇异摄动模型降阶算法。

Based on Born approximationmethod and the local principles of wave function in inhomogeneous medium and theray theory and the integral equation theory,this dissertation researches the theory andsimulation of the inversion method of large perturbational medium parameters andbreaks through the approximation condition of the small perturbational parametersand the weak scattering in traditional inversion method.

本文在Born近似方法的基础之上，基于非均匀介质中波函数局部理论和射线理论及积分方程等理论方法，对大扰动参数反演方法的理论和数值模拟进行了研究，突破了传统反演方法要求的参数小扰动和弱散射条件。

A first-order perturbational modification based on the forcing decoupling method is offered for the condition of the large error by the normal forcing decoupling method.

对于常用的强行解耦振型分解法误差较大的情况，推导了强行解耦的一阶摄动修正。

With long time study of many researchers, now three algebra function methods are formed which are parabola algorithm , suspension cable algorithm and perturbational algorithm.

经不少学者、专家的不断研究，迄今巳形成3种代数函数法：抛物线、悬索曲线、摄动法未取代悬链线作近似计算。

By use of the referential variables and perturbational variables the medium parameters of wave equation were rewritten.

利用参考场量和扰动变量对声波方程中的介质参数进行处理，并利用Green函数理论得到扰动参数比的积分方程。

Secondly,under the condition of not considering the concrete values of parameters, the Gell-Mann-Okubo baryon mass relations for decuplet and octet are studied ,which are related tothe mass splittings within decuplet or octet. The higher order perturbational corrections ofSU(3) rotating excited states to GMO relations are presented up to the third order in thestandard SU(3) skyrmion quantum mechanics.

其次，在与参量具体取值无关的情况下，利用标准的SU(3)Skyrme模型，研究了孤立子转动激发态对反映重子十重态和八重态内部质量劈裂的Gell-Mann-Okubo关系式的高阶微扰修正。

To my surprise,because of Sam,my heart become perturbational,should i give Steve up?

但是很奇怪的是，因为Sam的出现，心里开始有些动摇，我是不是应该放弃steve？

Next,the inversion method of large perturbational parameters in elastic mediumis studied.

其次，对弹性介质中的大扰动参数反演问题进行了研究。

The Perturbational Finite Volume Method which is based on the traditional FV method is a newly developed method with higher accuracy and resolution in CFD computation.

摄动有限体积方法为在FV方法基础上发展的新的高精度方法。

In this paper the simplified equations for computing the complex permittivity is gained by detailed analyses of the resonant-cavity perturbational theory.

谐振腔微扰法特别适合对微小体积样品的测试，很好解决了生物组织样品取样数量有限的问题。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。