查询词典 stochastic

A filtering algorithm for SMN is developed under the condition that the multiplicative noise is in the form of a general stochastic matrix and each component of the multiplicative noise matrix is correlated at the same time.

该算法保持了线性最小方差意义下是最优的特点，同时提高了数值鲁棒性。

The problems often met in LOPC such as the selection of weighting matrix, stochastic objective function and determination of initial state variables are also systematically studied.

最后本文对线性二次最优与次最优控制设计中的权矩阵选择，随机型性能指标，和状态变量初始值确定等问题给出了自己的解决办法。

According to the definition of stochastic crisp comparison matrix, the local consistency and local satisfactory consistency for the incomplete pairwise comparison matrix are defined.

本文还针对另一类区间数判断矩阵——区间数互补判断矩阵提出了一种新的权重求解方法，进一步完善了区间数判断矩阵权重求解的理论框架。

Under the circumstances that some prior knowledge about the possible fault can be obtained,the dynamic behavior of the fault is proposed and used to solve fault estimation problem.While,if there is no extra knowledge available about the possible fault other than the condition of l_2 bounded,the residual generation is formulated into a problem of observer-based H_∞filtering problem in the sense of stochastic,and the linear matrix inequality approach to solve this problem is proposed.

对于能够了解部分故障先验知识的情况，提出描述故障结构特性的动态模型，解决H_∞故障估计问题；而当故障信息完全未知情况下，将基于观测器的残差产生器设计归结为随机意义下的H_∞滤波问题，提出了该问题求解的线性矩阵不等式方法。

Reversed-time filtering and one-pass deconvolution algorithms for complicated multi-channel SMN that this dissertation discussed describes the situation that the multiplicative noise is expanded to a general stochastic matrix. It has a kind of more complicated channel characteristic and matchs the actual circumstance more.

另外随着计算机技术的飞速发展，高度复杂的数据处理已成为可能，带乘性噪声系统的最优估计算法的稳定性问题及多传感器信息融合问题在众多领域受到了人们的广泛关注。

For the multi-channel system with multiplicative noises under multi-sensor observation an optimal fusion estimation algorithm is proposed on the conditions that the multiplicative noise is in the form of a general stochastic matrix and the measurement noises of each sensor are correlated with the dynamic noise.

第二，本文针对多传感器观测下的多通道带乘性噪声系统，在乘性噪声为一般矩阵且各个传感器的观测噪声分别与系统的动态噪声同时刻相关的条件下给出了状态最优滤波融合算法、最优固定域平滑算法及最优固定域反褶积算法。

After the formalization of the RMA problems, methods for normalizing the original stochastic decision matrix are proposed. For discrete RMA problems, the concepts of C-type solution and S-type solution are defined, and the inclusion relations between different sets of solution in the same type and between different sets of solution in different types are concluded. For continuous RMA problems, the decision analysis based on Dα-dominance relation is illustrated.

在对风险型多属性决策问题进行形式化描述之后，按照离散和连续两种情况，分别给出了风险型多属性决策属性数据的预处理方法；对离散风险型多属性决策问题，定义了C-类解和S-类解，并给出了各类解集之间的包含关系；对连续风险型多属性决策问题，给出了基于Dα优势关系的分析方法。

The first one focuses upon the fundamental theory and methods of system identification, including the basic concepts of system description and identification,review of matrix theory, stochastic process and pulse response of linear systems; the first principle models for lumped and distributed parameter systems; modeling of bioreactions; auto regressive moving average model; weighted least square and regressive weighted least square for parameter estimation of ARMA model; Runge-Kutta and Simplex methods; an example of BPNN application; as well as Kalman Filter.

第一部分包括知识驱动建模、数据驱动建模、参数估计和状态估计的基础理论和方法。具体为：(1)系统辨识和系统描述的基本概念，包括矩阵论、随机过程、线性系统的脉冲响应函数等基础知识回顾；(2)基于动态物料和能量衡算的集总参数、分布参数对象的知识驱动建模方法；(3)生物反应系统的建模方法；(4)自回归移动平均模型；(5) ARMAX模型参数的加权最小二乘参数估计一次性算法和递推算法，相应的统计性质；(6)龙格库塔法和单纯形法；BP神经网络应用实例；(7)卡尔曼滤波器，及其与加权最小二乘参数估计递推算法的对比。

Optimal control ; maximum principle ; stochastic systems ; observed ; information

最优控制；最大值原理；随机系统；观测；信息

Due to the problems of being difficult to calculate its occurrence pattern, a new stochastic method based on maximum entropy principle to assess the occurrence frequency of voltage sags caused by line faults was proposed in this paper.

针对其随机规律难以直接计算的问题，提出利用最大熵原理评估线路故障引起的电压凹陷频次新方法。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。