查询词典 exponential

The value of the exponential function at argument x.

参数为x的情形下指数函数的数值。

The squeezing property of the nonlinear semi-group associated with this equation and the existence of exponential attractor are proved in the paper.

证明了该方程有关的非线形半群的挤压性质和指数吸引子的存在性。

Assuming that the elastic modulus was the exponential function of special coordinates and the Possion＇ s ratio was constant, the higher order asymptotic stress fields near the crack tip for the mode Ⅰ crack in the FGM were considered.

假设弹性模量是空间坐标的指数函数，泊松比恒定，对于功能梯度材料中的Ⅰ型裂纹，裂纹尖端应力的高阶渐近场被研究。

Sufficient and necessary condition is given for asymptotic stability and exponential stability of one dimension and multi-dimension.

分别给出一维情形和高维情形系统的渐近稳定和指数稳定的充分必要条件。

Kulldorf'book(1961)sysmatically studied the MLE of the location and scale pa-rameters belonging to the exponential family,Kulldorf proved that the MLE wasconsistent and has asymptotically normal distribution.

Kull-dorf（1961）在所著的书里系统地研究了如何利用分组数据求指数分布族的位置参数与尺度参数的最大似然估计，并且证明了MLE的相合性与渐近正态性。

People have proposed many different control method to realize the chaos synchronization. This article has conducted the thorough research to the chaotic neural network, introduced the chaos neural network synchronization method. Based on the linear matrix inequality technology and Lyapunov stability theory, we have Studied the synchronized controller design method of the global synchronization, the non-linear global synchronization and the global exponential synchronization. Here we have proposed one kind of synchronization algorithm, through which might obtain the gain matrix quickly and automatize.

本文对混沌神经网络进行了深入的研究，介绍了混沌神经网络同步方法的发展及研究现状，基于线性矩阵不等式技术和李雅普诺夫稳定性理论，分别研究了全局同步、非线性全局同步和全局指数同步的同步控制器实现方法，提出了一种实现混沌神经网络同步的算法，通过该算法可以快速得到增益矩阵的形式，实现混沌系统的同步控制，数值仿真验证了算法的有效性。

Utilizing OPNET simulation software through simulation experiments this paper analyzed and compared four kinds of forecast methods—moving average, exponential smoothing, autoregressive process and autoregressive moving average process that can equipoise the loading of distributed Web server....

利用 OPNET仿真软件，通过仿真实验对移动平均、指数平滑、自回归过程和自回归移动平均过程等 4种能使分布式 Web服务器负载均衡的方法进行了分析和对比。结果表明，经改进的带预测功能的系统比传统的无预测功能的系统有更好的性能表现，并将其中的最佳方法应用于工程实践中

Combining the precise exponential matrix calculation with the basic assumptions of constant average acceleration method of the Newmark family, explicit integral method with Taylor series and its algorithm are put forward.

将Newmark-β法中常平均加速度法的基本假定与精细指数算法结合，根据指数矩阵的Taylor级数展开式，提出了动力方程的显式级数解，并设计了相应的时程积分算法。

According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

They consider exponential growth as a basic benchmark of life, and access to information to be a civil right.

他们觉得经济高速成长是生活的基本状态，获取讯息则是民众的权力。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。