查询词典 method of perturbation

The mechanisms of free energy perturbation method and their applications in drug molecular design are reviewed.

微扰理论就是其中很重要的方法体系，有很多成功的应用。

It also researches the application of variational method to solve the perturbation function in the energy principle.

本文还探讨了变分方法在求解能量原理中的扰动函数的应用。

In this thesis, a new detection method, Network Intrusion Detection based on Unsupervised Clustering and Chaos Simulated Annealing algorithm, is proposed. NIDCCSA utilizes the ergodic property of chaos to complete the perturbation of states. Therefore, simulated annealing algorithm based on chaos is more likely to converge to the globally optimal solution and enhance the detection rate.

论文中提出使用聚类和混沌模拟退火算法进行网络入侵检测——NIDCCSA算法，NIDCCSA算法充分利用了混沌的遍历性特点进行状态的变换，这样的混沌模拟退火算法更加可能收敛到全局最优解，从而提高检测率。

The results show that the responses are decreased with the addition of viscous energy dissipation brace systems, and traveling wave effect is disadvantage to the structure, and pseudo static displacement is decreasing with the increasing of wave velocity. The approximation results by the first-order perturbation modification based on forcing decoupling method are precise.

结果表明，加粘滞耗能支撑后，结构的反应明显减小；行波效应对结构的反应是不利的，且拟静力项的影响随着波速的增加而减小；基于强行解耦的一阶摄动修正法给出的近似解有很好的精度。

The existence of the radially classical solutions with Dirichlet boundary value in unit ball was investigated. Based on perturbation technique, topological method and comparability theorem, the existence of the radially symmetric solutions for the generalized mean curvature equations with proper presupposition was established.

在单位球内考虑广义平均曲率方程组具有Dirichlet边值条件的径向古典解，运用摄动技巧、拓扑方法及比较原理，在一个适当的条件下，证明了广义平均曲率方程组径向对称解的存在性。

In order to reduce the influence caused by the controller parameter variations and the plant parameter perturbation, and assurance the tracking performance and the restraint disturbance performance, the improved robust two degree-of-freedom control structure and the linear matrix inequation design method are adopted to design the robust two DOF controller of the servo system in this thesis.

为了降低控制器参数及被控对象参数摄动对系统性能造成的影响，同时，保证系统的跟踪性能和抗扰性能不变。

According to the electric field integral equation of the surface, the recursive solution for the induced current on the slight rough surface is derived using the perturbation expansion of the surface, and the method for computing the interaction field is given.

根据粗糙表面电流积分方程并利用表面微扰展开，得到了微粗糙面表面极化电流的迭代解，给出了耦合电场的计算方法。

The coulostatic perturbation technology proposed in this paper is a kind of interruptive relaxation method which is characterized by the high measuring speedand will not be influenced by the high resistance media.

本文提出的恒电量微扰技术是一种断电的松弛方法，测量速度快(一般只需几秒钟完成测量)，可以不受高阻介质的影响，特别适宜于像涂装金属这样的高阻体系中应用。

In this paper,two methods,one singular perturbation and the other directly numerical solution,are used to find the solution of the stiff string of 3lst key and 59th key for a piano tone partials,with the results compared with Ray- leigh and Seeback's by regular persvrcation method and with those from dire- ct obseruation.

本文应用文献[1]结果进一步求出了59号弦的泛音频率，所得结果与实验观测值对比，其绝对误差的均方根和相对误差的均方根都远较Rayleigh-Seeback用正则摄动法算得的小。

In this method, the leading term is not the solution of the unperturbed system, it is obtained from a linearized system in a completely different way as standard perturbation methods.

提出了一种新的摄动方法——线化摄动方法，该法摄动解的主导项的确定和传统方法完全不一样，它不是未扰动方程的解，而是线化方程的解。

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。