查询词典 controllable stochastic process

The process of random load action was described with the Poisson stochastic process and the time de pendent reliability models of series system, parallel system and k/n system were developed with the probability differential equation and total probability formula when strength degenerated as time, Taking the degeneration of strength following the exponential rule as an example, the relationships between the reliability and failure rate of system and time were studied.

采用泊松随机过程来描述载荷的作用过程，运用概率微分方程和全概率公式建立了强度随时间退化时的串联系统、并联系统以及k/n系统动态可靠性模型。以强度退化服从指数退化规律为例，研究了串联系统、并联系统以及k/n系统的可靠度和失效率随时间的变化规律。

By estimates of the spectral gap, Sobolev inequality and the weak convergence theory of stochastic process, we obtain that the annealing process converges in probability to a neighbourhood of the global minimal set of the potential function.

利用谱隙估计和Sobolev不等式方法以及随机过程的弱收敛理论我们得到这种退火过程依概率收敛到势函数的全局最小点附近。

The main work of this thesis is the discussion of the multiple life actuarial reserve under the stochastic rate,and the rate is modeling by Wiener process and Possion process.

本文的主要工作就是对利息力采用维纳过程和泊松过程联合建模，由此得到两类联合寿险准备金的表达式。

The dynamics model of missile sealifts system for navy ships connected parallely is established. The dynamics simulation analysis of system is studied. The dynamics characteristic of missile box on the condition of different sea states and place parameters of crane are analyzed. The theory and technology bases for the design of system of missile sealifts or navy ships connected parallely are presented. The controlled multibody system dynamics of the system of missile sealifts with wave compensation for navy ships connected parallely is presented. On the condition of stochastic momevement of depot ship and incept ship and under the action of sealifts and wave compensation, the dynamics of sealifts system is studied by using discrete time transfer matrix method of multibody system. The calculate method of electric machine impule is developed in the process of supplying missile and action of wave compensate. Based on the PLC control system, the control method, which control supply process by testing torque of guide strings is presented.

本文建立了舰艇并靠导弹补给动力学模，进行了舰艇并靠导弹补给及波浪补偿系统动力学仿真分析，获得了导弹箱在不同海况下和舰用起重机不同位置参数的运动规律，为舰艇并靠导弹补给系统设计提供了理论依据和技术基础；建立了舰艇并靠导弹补给及波浪补偿受控系统多体动力学，在补给舰和被补给舰随机运动下，在补给和波浪补偿系统作用下，应用多体系统离散时间传递矩阵法进行了补给系统动力学分析，得到了导弹补给过程中，波浪补偿时，导引电机和卷扬电机输入电机脉冲计算方法；建立了以PLC 控制系统为核心，用扭矩传感器测量导引带产生的扭矩来控制补给过程的控制方法；对系统振动问题进行了研究，提出了通过调整伺服电机参数减少系统振动的方法。

By conditional heteroscedasticity model and stochastic volatility model, the author analyzes the characteristics of peaked kurtosis and fat tails distributing in the series of the return of stock index, discusses the asymmetry and long-memory effect of the volatility process, and studies the information-driving process of volatility in stock market by using the decomposed trade volume as the agent variable of information.

先后运用条件异方差模型、随机波动模型等捕捉股指收益序列分布的尖峰厚尾特征，进而研究了波动过程的不对称性、长记忆效应等，并以经过分解的交易量作为信息的代理变量，研究股市波动的信息驱动过程。

A shot noise process, which is used as basis for describing continuons time daily streamflow process, is an non-Gaussian stochastic model.

描述时间连续日径流过程散粒噪声过程是非正态随机模型。

Based on the success of the industrialization of the process of catalytic distillation of methyl acetate hydrolysis, the new process of catalytic distillation of methyl acetate and methanol azeotrope hydrolysis and related fundamental research were studied. These can make further improvement on the process in order to simplify the process and reduce the energy-consumed of the recovery system. In addition, theoretical system of the simulation and design the catalytic distillation process were established, which can provide the basis of the pilot plant and industrialization in the future.

本文在催化精馏水解工艺工业化成功的基础上，进行了醋酸甲酯和甲醇共沸物催化精馏水解新工艺及其相关基础研究，以进一步改进工艺，达到简化流程及节能降耗的目的，同时建立起催化精馏过程模拟和设计的理论体系，为中试及将来的工业化打下了坚实的基础。

The experiment results showed that the adsorption process of hydrolyzation and heated treatment production is chemisorption process going with physisorption process, the adsorption process of derivation production is chemisorption process.

结果表明，水解产品和热处理产品的吸附过程是化学吸附与物理吸附同时进行的过程，衍生产品的吸附过程是典型的化学吸附。

First stage started from May of 2007, three aluminium foil process lines with investment 38 million US Dollars, yearly capacity 20 000 metric tons, will put into production in April of 2008; second stage started from February of 2008 with investment 25 million US Dollars and the capacity 30 000 metric tons, three aluminium foil process lines; The third stage will start from the year 2009 with about investment 175 million US Dollars, six aluminium foil process lines, twelve casting-roll process lines and three cold-roll process lines.

一期工程3条铝箔生产线于2007年5月份开始施工，年产铝箔20 000吨，投资2.57亿元，于2008年4月份实现投产；二期工程于2008年2月份动工兴建，在一期工程的基础上再建设3条铝箔生产线，投资1.5亿元，投产后企业年生产铝箔能力将达50 000吨；三期工程包括6条铝箔生产线、20条铸轧生产线和3条冷轧生产线，计划2009年开始兴建，投资约12亿元。

The main progressing of this study is followed:The key process parameters of manufacturing sintered NdFeB magnets, such as strip casting, hydrogen decrepitation process, jet-milling process, orientation and pressing process, sintering and annealing process are investigated.

主要有以下进展：研究了烧结NdFeB永磁材料制备过程中一些关键的工艺步骤，如速凝铸带工艺、氢爆工艺、气流磨制粉工艺、取向成型工艺、烧结与回火热处理工艺等对磁体的磁性能、力学性能和显微组织的影响。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"