查询词典 perturbed

A Kharitonov-like finite check criterion for robustness of event-order is given for the case in which the event occurrences are affine linear function of perturbed parameters.

对于事件发生时刻是摄动参数的仿射线性函数的情形，得到事件时序鲁棒性的Kharitonov-like判据。

The probe nuclei 62 Zn/ 62 Cu, 187 W/ 187 Re and 111 In/ 111 Cd for perturbed angular correlation studies are produced at the CIAE HI 13 tandem accelerator through the nuclear reactions 63 Cu(p,2n) 62 Zn,Cd 111 In and 186 W 187 W.

在中国原子能科学研究院HI 13串列加速器上通过6 3 Cu(p ，2n) 6 2 Zn、Cd 111In和186 W 187W核反应产生6 2 Zn/ 6 2 Cu、187W / 187Re和111In/ 111Cd扰动角关联探针核，测量了生成这些探针核的核反应截面。

Two types of assumed disturbances are considered:(1) the perturbed field is almost uniform in the direction antiparallel with the dipole's axis,(2) the perturbed field is originated from a ring current situated between 5 to 8 earth radii on the equatorial plane.

地磁扰动我們分別取以下两种形式：(1)当扰动磁場是均勻的而且其方向与磁軸相反；(2)当扰动磁場是由位于赤道面上5至8个地球半径的电流环引起的。

Meanwhile, many new perturbed PDEs in science and technology need us to seek out approximate solutions.

同时随着科学技术的发展，出现了一些扰动的偏微分方程，需要我们去寻找它的近似解。

To avoid or reduce re-analysis, we derived the augmentative matrix variation only in summation of the previous matrices time the outside-perturbed parameters by decomposing the element stiffness and mass matrix. The implicit function of amplitude about design variables such as cross-areas and lengths is changed into simplistic function about the perturbed parameters of design variables. Several methods for determining the value of perturbed parameters are detailed.

为避免或减少重分析，将有限元单元阵进行了分解变换组装，使振幅与设计变量如截面面积、长度的复杂隐函数关系转化为对设计变量摄动参数的显式关系，进而将设计变量摄动参数提取在分解后的几个常数刚度阵、质量阵之外，避免了在迭代求解过程中重组刚度阵与质量阵，较快地获得问题的解。

This dissertation is devoted to studying the ruin theory on the dual risk model with several dividend rates and on the bidimensional perturbed risk model with or without stochastic disturbance, which includes the discounted expected function about the dual risk model with three dividend rates and the ruin probability on the bidimensional perturbed risk model.

本文致力于研究分多段分红的对偶风险模型及二维风险模型的破产理论，主要研究了分三段分红的对偶风险模型的折现红利的期望函数，并对带有扰动项的二维风险模型的破产概率做了研究。

Lastly, the ruin probability of the bidimensional perturbed risk model are studied, whose upper bound of Lundberg-type within infinit-time is obtained and discussed for the case of light-tailed using the martingale technique, the conclusion is gotten that the strength of the dependent of B strongly impact the upper bound can be achieved.

第四章主要研究了带有扰动项的二维风险模型的破产概率，应用鞅论的技巧，在轻尾条件下，求出Lundberg-type在无限时间内的破产概率的上界；并对破产概率的上界进行讨论，获得的相关性的强弱影响着破产概率可达到的上界。

At last the results have been applied to the tracking problem of a class of mechanical systems with discontinuous friction term. Chapter 3 mainly deals with uniformly ultimate boundedness of a class of nonautonomous systems with discontinuous right-hand sides and corresponding perturbed systems (in the sense of Filippov solutions). The definitions of globally uniformly strongly ultimate boundedness and globally uniformly weakly ultimate boundedness of discontinuous systems and the definition of globally equiuniformly strongly ultimate boundedness of corresponding perturbed systems are presented firstly.

首次给出不连续系统全局强一致最终有界、全局弱一致最终有界的定义，以及针对于扰动系统的全局强等度一致最终有界性的定义，并基于非光滑的Lyapunov函数得到了不连续系统全局一致强、弱最终有界的Lyapunov定理和扰动系统全局强等度一致最终有界性的Lyapunov定理。

After the dynamic response of radial displacement had been obtained in the S2 simply supported condition, the effects of winding angle and thickness on the radial displacement were discussed. By setting the displacement functions as complex Fourier series at the perturbed state, the perturbed motion equations were deduced to a set of Mathieu equations.

对扰动状态的非轴对称变形，位移函数采用复Fourier级数形式，得到了Mathieu形的扰动方程，由此给出了临界载荷和固有频率。

The effed Of three-dimensional perturbed velocities and three-dimensional perturbed current densities on the beam-wave interaction of plasma-filled dielectric Cherenkov maser is analysed by use of the self-consistent linear field theory without considering the effect Of the longitudinal guided magnetic field.The dispersion relation and the Simultaneous condition of the beam-wave interaction are derived. It is clearly shown that the instability of the interaction results from the coupling of the TM mode in t...

在无引导磁场的作用下，利用自洽线性场理论，分析了电子的三维扰动速度和三维扰动电流密度对填充等离子体的介质切伦可夫脉塞注波互作用的影响，导出了注波互作用的色散关系和同步条件，所得关系清楚地表明，其工作用不稳定性是由填充等离子体的介质筒慢波波导中的TM模与电子注模通过电子注耦合所致，并求得了电子注引起的频偏和波的增长率。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。