查询词典 perturbation method

Moreover compared with the Taylor series solution, the frequency shifts in our solutions appear in the expression of oscillations of all orders in both classical and quantum cases, so multiple-scale perturbation method is more suitable for solving the weak-coupling anharmonic oscillation than the Taylor series approach.

与Taylor级数解相比较，无论是在经典还是在量子解中频率移动都出现在各阶振动表达式中，所以多尺度微扰解是弱耦合非简谐振动的较好解法。

The basic equations are expanded in asymptotic linear equations of each order according to small parameter of incident wave's field by perturbation method.

近年来随着计算技术的发展，有限元等数值法已广泛应用于波与结构相互作用'的计算分析。

Thus using the perturbation method the asymptotic expansions of solution for the original problem are obtained.

于是利用摄动方法得到了原问题解的渐近展开式。

Using Floquet theory and small amplitude perturbation method, we prove thatthe microorganism-eradication periodic solution is asymptotically stable if the impulsive periodsatisfies some conditions.

利用Floquet理论和小振幅干扰的方法证明脉冲周期满足一定条件时，微生物灭绝周期解是渐近稳定的。

The stabilities of bifurcated solutions are determined by the perturbation method.

用摄动法确定了分叉解的稳定性。

The study of the flow of power-law fluid in a helical pipe with circular section with perturbation method.

采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。

The flow of power-law fluid in a helical pipe with circular section has been studied using perturbation method.

采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。

In final chapter, we will discuss a perturbation method to solve the one-dimension Fokker-Planck equation with a constant diffusion coefficient and time-dependent drift coefficient.

所以我们在论文最后介绍一种新的方法来处理某一种Fokker-Planck方程式，这个方法就是微扰近似法。

Through the comparison, we use traveling-wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance.

测量系统采用虚拟仪器的设计思想，由测量平台、伺服电机、矢量网络分析仪、计算机等硬件组成，用LabView完成了系统软件设计。

The perturbation method combined with multipole expansion method to calculate the head-related transfer functions of the snowman mode approximately, and the effects of the torso scatterings and reflections on HRTFs are analysed quantitatively.

本文提出微扰与多极展开相结合的方法，近似计算雪人模型近场头相关传输函数，并利用此方法定量分析躯干散射声波对HRTF的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。