扰动

The parameter of distribution network equivalented was identified by using genetic algorithm.

将辨识后的系统同辨识前的系统在同样扰动下，对扰动过程中的电压、电流、有功、无功进行了比较。

It gives the concept of the disturbing sub function μ A ~, which extends the general sub function.

提出隶属函数μA～的扰动概念，给出了扰动隶属区间函数的定义作为一般隶属函数的一种延拓。

Through analyzing the data of tests, a rheological constitutive equation as a function of disturbing load and stress as well as time is established; and the constitutive equations are proven with test data.

通过对试验结果的数值分析，建立起以应力状态和扰动载荷及时间为白变量的扰动流变本构方程，并用试验数据对其进行验证。

On the western side of the central normal of the disturbance source in the heliospheric equatorial plane, the double shock pair structure is more evident, and the longitudinal span is wider than those on the eastern side.

双重激波对在子午面内相对扰动源中心法线基本对称，而在赤道面内则不对称：扰动源中心法线西侧双重激波对结构更为明显，所跨经度范围宽于东侧。

On the western side of the central normal of the disturbance source in the heliospheric equatorial plane, the double shock pa ir structure is more evident, and the longitudinal span is wider than those on t he eastern side.

双重激波对在子午面内相对扰动源中心法线基本对称，而在赤道面内则不对称：扰动源中心法线西侧双重激波对结构更为明显，所跨经度范围宽于东侧。

By use of the ergodic property of chaos movement and the inversion of genetic algorithm, a chaos genetic algorithm was proposed. Its basic principle lies in the small disturbance of which extent is adjusted during searching to child generation group using the chaos variable.

摘 要：利用混沌优化的遍历性和遗传算法优化的反演性，提出了混沌遗传算法，其基本思想是把混沌变量加载于遗传算法的变量群体中，利用混沌变量对子代群体进行微小扰动，随着搜索过程的进行逐渐调整扰动幅度。

Finally, the perturbation problems for the mixed variational-like inequalities problems are discussed, and the existence and uniqueness theorem of the solutions for the perturbation problems is also proved.

最后，讨论了混合似变分不等式问题的扰动问题，并证明了扰动问题的解的存在唯一性定理。

All the work done is as follows:Firstly, given the impact of the soil gravidity stress on the scale of the vertical drain disturbance, Vesic's column cavity expansion theorem is mended. Then the radius of the plastic zone, the ultimate crowding stress and the soil displacement in the intersection of plastic and elastic areas are deduced when Mohr-Coulomb surrender criterion is adopted. The result of which caters better to the real situation.

本文针对竖井地基的施工扰动效应及固结可靠性做了如下一些工作：首先，考虑土体自重应力对竖井扰动范围的影响，对Vesic圆柱形孔扩张弹塑性理论解进行了修正，采用Mohr-Coulomb屈服准则，得到了弹塑性交界处土体位移、塑性区半径以及最终挤土应力等理论计算公式，修正以后的结果能更好地符合竖井施工的实际情况。

Numerical Simulation of Flow Field in Pulsating Fluidized Bed Under special entry conditions, the CFD is used to simulate the three-dimension fluidized bed with different oscillation intensity and frequency in order to research the effect of sound oscillation on flow field in the fluidized bed. The results indicate that the sound oscillation can make the distribution of the flow field more uniform and can promote the heat and mass transfer.

脉动流化床流场模拟在特定的入口条件下，应用计算流体力学技术对三维流化床在不同振动强度、不同频率扰动作用下的流场进行模拟，得到声波扰动对流化床流场分布的影响，结果表明声波振动可以使流化床内的流场分布更加均匀，促进热质传递。

Some interesting results have been got. By means of WKBJ approach, the development of symmetric disturbances superposed on the background field of Hoskins-Bretherton frontogenesis model is investigated.

通过WKBJ方法研究锋生过程对锋区中尺度扰动发展的影响，结合半地转模拟结果对影响锋面附近中尺度扰动的因子进行了讨论。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐