查询词典 stochastic
- 与 stochastic 相关的网络例句 [注:此内容来源于网络,仅供参考]
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For the present,there are three kinds of uncertain analysis methods:stochastic analysis method, fuzzy analysis method and interval analysis method.
针对桥梁结构分析中的各种不确定性问题,对其进行了归类分析,给出了目前不确定性分析中的三种方法——随机分析方法、模糊分析方法和区间分析方法;对三种不确定性分析方法在桥梁结构分析中的应用领域进行了综述,并对三种方法的适用情况进行了分析说明。
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For the present,there are three kinds of uncertain analysis methods:stochastic analysis method,fuzzy analysis method and interval analysis method.
分析这些不确定因素如何影响桥梁结构及其影响程度,对桥梁的设计、施工和维护则极为重要。
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Pair approximation and moment methods have the advantages of overcoming analytical intractability of computer simulation and building a spatially stochastic model.
其优点是可以系统地进行数学分析处理,克服了空间模拟耗时和随机性带来的缺陷。
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Chaos is suitable for secure communication because of its intrinsic stochastic property.
混沌由于其内禀随机性而适于在保密通信中应用。
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As is known to all,μ-invariant measure plays an important role in stochastic pro-cess,and the research of that is significant both in theory and practice.
全文分为三章;第一章对一些基本的概念作了一个简单的介绍,包括跳过程的转移函数,q-对,q-过程,向前方程,向后方程以及q-预解式的定义和性质等。
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Based on the additional information such as displacements or stresses provided at several internal or boundary points in the structure,combined with stochastic boundary element method and optimization technique,the basic model of the prediction of the structural reliability by inverse analysis of boundary element method is presented in this p.
本文利用随机边界元法与非线性优化技术相结合,根据弹性体内或边界上的位移、应力等附加信息,建立了结构可靠性预测的边界元逆分析法的基本模型,算例证明了该理论的有效
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Based on the summarizing of the exiting algorithms of the texture mapping and antialiasing, this paper goes deeply into the basic theory and processing of texture mapping. The texture compress algorithm which can satisfy the need of the memory and time is given for the stochastic sampling in the inverse texture mapping; the geometry transformation in the texture mapping are discussed and the concepts of the unitary parametrization and the patch parametrization is proposed, some kinds of the unitary parametrization methods of parametric surfaces and the geometry transformation in the patch parametrization are also presented; in order to solve the aliasing in the parametrization of intermediate surface-sphere in two-part texture mapping, an area-preserving transformation is presented also; to improve the quality of the graph the aliasing in the texture mapping is analyzed from the aspect of signal process, and the modified summed-area tables algorithms is proposed; the distortion of the scanline conversion algorithms under perspective transformation is analyzed and the proper interpolation algorithm is presented so the aliasing problem of the polyhedral object after the unitary parametrization is efficiently solved.
本文在总结现有的纹理映射和反走样算法的基础上,深入研究了纹理映射的基本原理与过程,根据反向纹理映射对纹理随机采样的特殊要求,提出了一种可满足存储空间和寻址时间的纹理压缩存储算法;通过对纹理映射中几何变换理论的进一步深入探讨,提出了整体参数化和面片参数化的概念,并给出了参数化曲面的各种整体参数化方法和面片参数化的几何变换形式;针对现有的两步映射算法所存在的中间曲面—球面的参数化问题,提出一种等积映射方法,较好地实现了由非参数化面片拼接而成的多面体表面的纹理映射;从信号采样的角度深入分析了纹理映射中走样产生的原因,提出了改进的区域求和表算法,使图形生成的效果有所提高;还分析了一般的扫描线算法在透视变换中所存在的问题,提出了一种正确的插值算法,从而解决了整体参数化后多面体表面纹理映射的几何变形问题。
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In Chapter 4 we discuss the solvable theorem of adaptive inverse optimal control problems, and proceed with controller designs of global asymptotic stability in probability, adaptive inverse optimal stabilization in probability and output-feedback adaptive inverse optimal stabilization in probability for strict-feedback stochastic nonlinear continuous systems with additive standard Wiener noises and constant unknown parameters using It〓's differentiation rule and an adaptive backstepping algorithm. Control laws and adaptive laws can be obtained at one time by this design scheme. Many simulations have been performed to validate the properties of the proposed adaptive control scheme.
在第4章中,针对具有标准Wiener噪声扰动和未知定常参数的不确定随机非线性系统,提出并证明了自适应逆最优控制问题可解定理,构造了适当形式的四次型随机控制Lvapunov函数,基于It〓微分规则和自适应Backstepping算法,系统地设计了全局依概率渐近稳定控制器、自适应逆最优控制器、输出反馈逆最优控制器以及在设计中如何处理二阶Hessian矩阵函数的方法,这种方法可同时获得控制律和自适应律,通过实例仿真,表明该控制算法是有效性的。
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In chapter 4, the prime reasons for the ill-posed inversion are analyzed at first and then the remedy method is described. The basic formula of stochastic inversion method tor impedance with broarband constraint of well log is deduced from basic level.
第二章首先将信号分析中的MA过程的定阶问题引入到地震子波的提取中,发展了利用地震记录的高阶累积量矩阵的特征值的变化估计地震子波的有效长度的方法。
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Thirdly, the problems of institution investor'optimal liquidation strategy and optimal liquidation time were investigated with the conditions that the price of risky asset followed arithmetic Brown motion and liquidation velocity was limited. The problems involved the following scenes: price impact function was linear expression of liquidation velocity which was boundary closed set with an isolated point; price impact function was stochastic; price impact function was nonlinear.
接着,当风险资产的价格服从算术布朗运动,且对投资者的变现速度做出限制时,研究机构投资者的最优变现策略和最优变现时间问题,其中包括:价格冲击函数为变现速度的线性函数,变现速度是一带有孤立点的有界闭集;价格冲击是随机形式;价格冲击是变现速度的非线性函数。
- 推荐网络例句
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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""
客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。
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Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.
由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。
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Do not 'inflate' your achievements and/or qualifications or skills .
不要 '夸大' 你的业绩或成果,条件或者技能。