本文是应用摄动法来处理这个问题。
In the present paper, a new method, the perturbation method, is developed to solve the tame problem.
矩阵摄动法是解决这种问题的有力工具。
The matrix perturbation method is effective to solve this kind of problem.
简要介绍了正则摄动法。
用逆摄动法进行机床主轴的动力优化设计。
Employing the inverse perturbation method, we have tackled the problem of optimum design of the machine tool spindle.
摄动法近似应当保辛。
The perturbation approximation should be symplectic conservative.
这就证明了我们采用的摄动法有较好的准确性。
This confirms the accuracy of the perturbation method which we adopted.
上述讨论进一步完善了已有的复模态矩阵摄动法。
The matrix perturbation of Complex modes has been improved by the present discussions.
采用摄动法和幂级数方法，得到了波纹壳的弹性特征。
The elastic characteristics of corrugated shells are obtained by using the perturbation and power series method.
文中还用摄动法近似分析了材料缺陷可能造成的影响。
The influence of material defects is approximately evaluated by using perturbation method.
对于裂纹扩展问题，提出了一种高效的半解析矩阵摄动法。
When crack expanding problem is studied, a high efficiency semi-analytical matrix perturbation method is put forward.
用摄动法分析刚球在非线性滑动摩擦力作用下的运动规律。
The perturbation method is used to analyse the motion of the rigid sphere under the action of the nonlinear sliding friction.
采用正则摄动法，求出了由有限项初等函数所构成的渐近解。
The asymptotic solutions composed of finite terms of elementary functions are obtained by regular perturbation method.
当系统具有重频或近频耦合模态时，常规的矩阵摄动法失效。
The ordinary matrix perturbation method fails to deal with the structural system of repeated or closed frequency modes.
本文研究了多组耦合模态结构动力学参数修改的子空间摄动法。
A subspace perturbation method for structural dynamic modification of several groups of coupled-modes vibration systems is studied.
模态分析的矩阵摄动法在灵敏度分析和重分析中有广泛的应用。
Several perturbation methods for mode analysis were briefly summarized in this paper, some of which were widely applied in sensitivity analysis as well as reanalysis.
如果用正则摄动法求解此类问题，则当自变量较大时，误差很大。
If the regular perturbation method is used to solve the same problems, then, when the independent variable is big, so is the error of the solution.
对刚柔耦合回转角和刚柔耦合振动的微分方程，则通过摄动法求解。
The rotating Angle and vibration of rigid-flexible coupling are solved by the perturbation method.
利用变换和摄动法将非线性位移方程线性化，得到了近似边值问题。
By using the transformation and the perturbation method, the nonlinear displacement equations are linearized, and the approximate boundary value problems are obtained.
最佳摄动法是一种基于小参量的系统辨识方法，特别适用于非线性系统。
An optimum perturbation method based on small variables is suitable for nonlinear systems.
应用矩阵迭代摄动法，对摆动活齿传动系统的固有频率进行了求解和分析。
The natural frequencies of the vibration system are obtained by using the iterative perturbation method.
从退化系统稳定的主振动解出发，运用摄动法，可研究原系统的拟主振动。
By the perturbation method, one can study the quasi-principal vibrations of the original systems from stable solutions to the principal vibrations of THT degenerate systems.
本文建立了分析粘弹流体平面流的基本方程，并采用摄动法和加权余量法。
Fundamental equations for the analysis of plane flow of elastic-viscous fluid are established.
文中给出了这一非线性振动模型的微分方程，并用奇异摄动法求得了渐近解。
This paper also gives the differential equation of the nonlinear vibration model, and obtains its asymptotic solution by means of singular perturbation methods.
高阶摄动法能解决阻尼系统参数变化较大时的特征值问题，具有较强的实用性。
The high-order perturbation method is very useful because it could solve eigenproblems even if the parameter of the damped has a great change.
在得到电励磁爪极发电机三维磁场的基础上，用能量摄动法计算绕组电感参数。
In addition, the inductances of the windings of the conventional claw-pole alternator are achieved.
本文结合有限元法和摄动法给出了一个确定薄板在二重特征值处分支方向的方法。
A method of determining bifurcation directions at a double eigenvalue is presented by combining the finite element method with the perturbation method.
最后，用奇异摄动法具体设计了数字飞行控制系统（DFCS），并用微机予以实现。
Finally, the practical example design of the digital flight control system(DFCS) and DFCS microcomputer implementation are treated.
研究了区间参数摄动法和区间参数优化反分析法，提出了区间参数单调性优化反分析法。
The interval parameter perturbation method and the interval parameter back analysis method are studied, and the interval parameter monotony back analysis method is presented.
然而，已有的孤立特征值摄动法和重特征值摄动法都难于用来解决密集模态的摄动问题。
However, the perturbation methods for distinct or repeated eigenvalues can not be directly used to deal with the vibration modes with close eigenvalues.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
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