Short Term Reliability Evaluation for Protection System Based on Instantaneous State Probability 基于瞬时状态概率的保护系统短期可靠性评估
The steady state probability distribution and mean first passage time of FHN neural system driven by non-Gaussian noise 非高斯噪声激励下FHN神经元系统的定态概率密度与平均首次穿越时间
An analytical solution to the instantaneous state probability was found, and the average unavailability during the evaluation period was derived to replace the steady-state value. 建立瞬时状态概率的解析算法,提出用评估周期内平均不可用率代替稳态不可用率。
State Probability and Transition Probability for Bus LAN 总线LAN状态概率与状态转移概率
Because the standard of the risk type decision is the expectation of the increase and decrease, and increase and decrease expectation was calculated according to state probability and increase and decrease value. 由于风险型决策的标准是损益期望值,而损益期望值是根据状态概率和损益值计算的。
With the progresses in engineering structural mechanics and antiseismic designing, the extreme state probability has now been used as safety stand-ards for probabilistic designing. Therefore, the probabilistic analysis method of seismic risks is adopted for compiling the new seismic zoning map. 工程结构力学和抗震设计发展到了以极限状态概率为安全标准的概率设计阶段,所以,新的区划图采用了地震危险性概率分析方法。
E. time gain, space gain and time-space gain. In this pa-per, the assessment methods of probability gains are studied, the relations between predic-tion state probability and probability gain and between prediction R value and probability gain are given. 初步研究了概率增益K的评估方法,给出由预测状态概率评估概率增益K的关系,并得出地震预测方法的R值评分与概率增益K的关系。
The state probability model and the control qualities the service probability evaluation model of the decentralization control random service system of the disappearance rule of an automatic control system are put forward. The service probability evaluation model will show the control qualities. 建立部队自动控制系统消失制分散控制随机服务系统的状态概率模型及服务概率-控制品质评估模型。
The simplifying of state probability equation in queuing models 排队模型中状态概率方程的简化
At last, we discuss the possibility for using the Markov chain to evaluate the reliability of electric machines, and given an example for calculating the state probability and the expected values of the lifetime of electric machines for different reliable level after accident. 最后论述如何应用马尔可夫链估算电机的可靠度,并举例说明不同可靠水平的电机经过事故后的状态概率及期望寿命的计算。
A kind of special bulk service queueing system is discussed in the paper and the solution to the steady state probability is given. On the basis of the solution, we discuss the method of computing the mean line length. 给出一类特殊的批量服务排队系统&公交系统的稳态概率分布的求解过程,并在此基础上给出这类服务系统平均队长的算法。
Proposes a method of Markov for compartmentalizing the original state of forecasting object based on method of dynamic clustering by resemblance degree of data own and solves the original state probability and the condition transition probability matrix. 提出根据预测对象数据自身的相似度,采用动态聚类方法对预测对象进行初始状态划分,确定初始状态概率和状态转移概率矩阵,进行马尔可夫预测的方法。
Station state probability mathematic characteristics of logic ring stochastic model 一类逻辑环随机模型的站点状态概率数学特征
Decision making of investment combination with fuzzy state probability 模糊状态概率下的组合投资决策
The simplified form of state probability equation in steady state is proposed and certificated by ( Mathematical) Induction. 提出排队模型中的稳态下状态概率方程的简化形式,用数学归纳法给以证明并进行了进一步讨论。
The method not only would be effective to describe the inter-frame correlation information, but overcome tie of the state probability density function being mixture Gauss distribution. 它不仅能有效地在语音识别中引入帧间相关信息,而且能克服状态输出概率密度函数为混合高斯分布的束缚。
This paper defines the end reserved water and the initial reserved water of an interval as the operation states of the reservoir and presents a transfer equation of the state probability of the water supply reservoir operation with Marker inflow prccess. 本文以时段末和时段初水库库存量作为水库运行状态,推导了马氏入流过程供水水库运行的状态概率转移方程。
In this model, running state of transmission line is divided into four states, and calculation method of state probability, state frequency and state duration in balanced state are given. 该模型将输电线路的运行状态划分为四种状态,给出了每种平稳状态的状态概率、状态频率和状态持续时间的计算方法。
The crucial technologies including the reachability set algorithm of the stochastic Petri net model, the constitution of the homogeneous Markov chain, and the computation of the steady state probability are implemented. 实现了随机Petri网模型的可达集生成算法和同构马尔可夫链的构造及其稳定状态概率的求解等关键技术;
Systems driven by colored poisson noise are studied. By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived. 讨讼色泊松噪声驱动系统,利用统一色噪声近似方法,得到系统几率密度主方程,定态几率分布函数及其极值方程。
Combined with practices, the theories and methods of Markovian random process, the creation of transition probability matrix and the calculation of stable state probability are concisely described. 联系实际对马尔柯夫随机过程、转移概率矩阵的建立以及稳定状态概率的计算等理论与方法,进行简明论述;
Gives the concept of system reliability deference and provides transition probability and state probability increment analysis method. The selection condition of increment of transition probability and state probability deeply discussed too. 给出系统可靠性差分概念后,提出了通过状态转移概率和状态可靠性增量分析系统可靠性差分的方法,具体分析了各个增量的选择条件。
In the model, generator set state is described as state probability vector, and is associated with two abutting state probability by one-step transfer probability. The effect of generator load on transfer probability is considered by step factor. 在机组状态估计模型中,机组状态用状态概率向量表示,通过一步转移概率把相邻状态概率向量联系在一起,并用步伐因子考虑机组所带负荷对转移概率的影响。
This paper makes an analytical study on Markov chain based on graph theory. A concept of probability flux is presented, which is the product of stable state probability and one step transition probability and has influx and efflux forms. 利用图论对马尔可夫链进行了分析研究,提出了概率通量概念,它是马尔可夫链稳定状态概率与其一步转移概率之乘积,有流入、流出之分;
The state sequences of dynamic Markov model are analyzed to infer the state probability, which is used to classify the normal or abnormal behavior. 由动态Markov模型产生的状态序列计算状态概率,根据状态序列概率来评价进程行为的异常情况。
In addition, this dissertation also considers the uncertainty of the income and state probability in venture capital project, and supposes them fuzzy variable. 此外,还考虑风险投资项目收益和状态概率的不确定性,假设投资项目收益和状态概率为模糊变量,利用模糊变量的均值和方差建立了模糊风险投资决策方法,并给出相应的计算实例。
The model can clearly express the states of system and components and the state probability, and also carry out qualitative analysis and quantitative assessment of air brake system fault cause. 该模型能清晰地表示系统和元件的状态以及状态概率,并能够对空气制动系统的故障原因进行定性分析和定量评估。
The steady state probability current is calculated for different values of colored noise correlation time in different periods. 求出了不同周期中对应于不同的噪声关联时间的定态几率流。
In this thesis, we first give out the concept of probabilistic model checking and the method of describing a system. We discuss in details how the transient state probability and stead state probability are calculated. 本文首先给出了概率模型验证的含义以及对系统详细描述的方法,讨论了所要验证系统的瞬时概率和稳定概率的计算方法。
The full text makes MS-VAR dynamic model as the focus and foothold, while its state probability plot, state transition matrix and impulse response diagram can show the dynamic relationship of state transition between the variables. 全文将MS-VAR动态模型作为研究方法的重点和落脚点,用该模型输出的状态概率图、状态转变矩阵和脉冲响应图等分析了变量之间的状态转变动态关系。