查询词典 steady state

First, the steady-state probability equations are obtained by Markov process method.

首先，利用马尔科夫过程理论建立了系统稳态概率满足的方程组。

Reduced SQP based on orthonormal bases, orthogonal bases and coordinate bases are studied and compared. With the correction item introduced, the null-space move is adjusted and the reduced SQP based on coordinate bases decomposition is improved.●The key problem of steady-state data processing for RTOPT is studied. A new algorithm of simultaneous strategies for data reconciliation and gross error detection is proposed. Here the objective function that is constructed using maximum likelihood principle and joint distribution function is minimized. Efficient algorithm is developed which exploited the nonlinear lease-square structure of this objective function.

仿真结果表明了算法的有效性；●深入研究了在线优化中的一个关键问题——稳态数据处理问题，用基于组合概率分布的目标函数联立求解粗劣误差检测和数据调和问题；以精馏塔在线优化的数据处理和模型修正为例，提出一种根据模型方程对参数的依赖性进行过程模型分解的分层策略，可以将数据调和和参数估计统一在数据处理的大框架中，为进一步的过程性能分析、操作状况评价以及在线优化提供可靠的基准，具有非常重要的工程应用价值；●将优化命题的形式扩展到更通用的形式。

Based on the second PA derivative of mean steady-state system time with respect to a parameter of the service time distribution, we give the second-order stochastic approximation algorithm.

当最优化问题过于复杂，无法使用解析方法分析时，一个可行的方法是在参数的取值范围内用逐次逼近法找到最优点；在使用此类优化算法时，目标函数的样本导数是必需的。

We characterize performance by the expected mean squared error in steady state.

我们通过稳态的均方误差确定了该估计量的效果。

Come to the system control to Several steady state required minimum pinning density and the relationship between system parameters and coupling efficiency of the gradient to control the impact of, and gives numerical examples.

得出将系统控制到几种稳定状态所需要最小钉扎密度与系统参数间的关系和耦合梯度对控制效率的影响，并给出了数值验证。

By applying the law of energy transformation and conservation in electromagnetism to a sinusoidal steady state linear exchange network,the aauthors obtain a new expression of the law in which the merits of such energy forms as resistance,capacitance,self induction and mutual induction of four kinds of elements are embodied.

利用式中统一体现的电阻、电容、自感和互感4种元件能量形式的优点，以及网络现代场论关于元件复阻抗率和积分形式的复阻抗等概念，分别给出4种元件具体的积分形式复阻抗。

Special functions established in different reference frames served as the reference model and the adjustable model of MRAS, and the steady-state electric torque considering to be known and thereby employed to achieve on-line identification of the induction motor mutual inductance.

该方法采用一种特殊形式函数，将该函数同时建立在2种不同的参考坐标系下，分别作为MRAS的参考模型和可调模型，同时利用稳态电磁转矩并将其作为已知量，实现了对感应电机励磁互感的在线辨识。

On the basis of model of steady state of two dimensional semi infinite vertically buried tube and Newton exchange heat formula, the outside heat release coefficient is deduced from vertical tube in different depth of geothermal water well to ambient medium.

根据二维半无限大垂直埋管表面的稳态放热模型及牛顿换热公式，推导出地热水井在不同深处的垂直管道外表到周围介质的外部放热系数。

This paper measured the non steady state temperature field of cylinder head in an air cooled engine.

实测结果表明：汽缸盖内、外表面的温度变化规律有很大差别，启动工况对热负荷可靠性影响最大。

The automobile engine is usually worked under non steady state of transient operating conditions,i.e.

汽车发动机经常在非稳态的过渡工况下工作，即启动、暖机、突加和突减工况。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。