本文对如何选择一类线性分布参数系统(DPS)的最佳测量点作了讨论。
How to select and locate the measurement points optimally for a class of linear distributed parameter system (DPS) is studied.
本文讨论了管内瞬变流这一类双曲型非线性分布参数系统的状态观测问题。
This paper examines the problem of observing the state of fluid pipeline transients.
本文提出一种微分运算矩阵法,通过切比雪夫级数和最小二乘法辨识线性分布参数系统的参数。
In this paper, a method of operational matrix of differentiation is introduced in the identification of coefficients of linear distributed system by using Chebyshev series and least squares.
利用正交多项式序列的正交性及微分算子矩阵,论述了时变非线性分布参数系统参数估计的正交多项式法。
New method of parameter estimation for time varying non linear distributed systems is proposed in term of orthogonality of orthogonal polynomial and differential operation matrix.
本文研究了一类非线性分布参数系统的模型辨识及其状态观测器的设计方法,为这类系统的研究提供了新的途径。
A method of identification and state observer design of a nonlinear distributed parameter system is studied in this paper. A new approach for this kind of systems is proposed.
催化裂化装置是一个高度非线性、时变、长时延、强耦合、分布参数和不确定性的复杂系统。
FCCU (fluid catalysis and cracking unit) is a highly non-linear, time variable, long time delay, intensive coupling, parameter distributed, indefinite and complex system.
通过非线性优化算法,拟合实测的Q—S曲线,可得到桩土系统的工程力学参数,并由此计算得到桩身轴力及侧摩阻力分布曲线。
Measured Q-S curve are back figured by nonlinear optimization approach and model parameters are found simultaneously, then distribution of axial force and skin friction along pile are calculated.
提出了一种用任意分布的模拟随机源对一维分段线性映射的参数进行调制来获得真随机比特的方法。
This paper proposes one method of acquiring truly random bits by means of modulating the parameter of one-dimensional piecewise linear maps by arbitrarily distributed analogue random source.
这篇论文主要研究了几类特殊线性码的两个新的参数-周期分布和广义汉明重量(有时也称为高维重量或支持重量)。
The parameter of some special linear codes - Period Distribution and Generalized Hamming Weights (Support Weights or Higher Weights) were studied in this paper, and it was departed by two section.
本文还提出了由碳化物数量、分布、磨损面硬度等因素构成的抗磨参数与相对耐磨性的线性关系。
Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.
藉助L_2空间上的线性算子理论,我们得到了这类方程的控制参数在实轴上的分布情况以及存在符合物理意义的正解的条件。
By using linear operator theory in L2 space, we get the distributed parameters on real line and the existence of positive solutions.
基于线性随机分布参数系统新的数学描述形式,给出了相应的均方稳定定义。
On the basis of the new mathematical description of the linear stochastic system with distributed parameter, the corresponding definition of mean-square stability is given.
这一类分布族的参数估计可用无偏估计,一致最小方差无偏估计和最优线性无偏估计。
The estimation of this class of the distributed group can be done by the unbiased estimation, uniformly minimum variance estimation and the optimal linear unbiased estimation.
对一般线性回归模型中有关参数估计分布的模拟问题,给出一种随机加权逼近的再构造方法。
A reconstructing method for random weighting approximations is proposed in approach to the distributions of the parameter estimates in general linear regression model.
高炉冶炼过程是一个高度复杂的过程,其运行机制往往具有非线性、大时滞、大噪声、分布参数等特征。
Blast Furnace (BF) ironmaking process is highly complicated, whose operating mechanism is characteristic of nonlinearity, time lag, high dimension, big noise and distribution parameter etc.
通过理论推导与仿真结果的对比可知,数据关联抖动估算方法对线性时不变的集总参数,分布参数系统均是可行的。
Through comparison between theory proof and simulation, we find the approximation method is feasible in linear time invariant (LTI) system of concentration and distribution parameter.
基于物料衡算、热量衡算和反应动力学建立的催化裂化过程动态模型是具有非线性、分布参数的模型形式。
Based on the material balance, energy balance and reaction kinetics, a dynamic model, having the form of a nonlinear distributed parameter has been presented for catalytic cracking process.
在因子范围服从对数正态分布下,应用线性回归技术和极大似然法建立了模型参数的测定方法。
Parameters of the model are measured by a linear regression technique and a maximum likelihood method.
总体强度及刚度分布相似的结构,由于物理参数分布的随机性差异,会导致结构非线性内力分布产生显著变化。
Concerning the structures with the approximative distributing strength and rigidity, the randomness of physical parameters distribution would cause the great variety of the nonlinear performance.
循环流化床锅炉是一个分布参数、非线性、时变、多变量紧密耦合的对象。
Circulating fluidized bed (CFB) boiler is a distributed parameter, nonlinear, time varying and multivariate coupling system.
此模型由一“破坏指标”表示,它是最大变形和累积能量耗损两个参数的非线性函数,其统计特性服从威布尔分布。
This model is represented in terms of a "damage index" which is a nonlinear function of maximum deformation and accumulated energy dissipation, and follows Weibull distribution.
结果显示,短期利率扩散过程的漂移函数和扩散函数都是非线性的,短期利率的概率分布不服从参数模型所假设的分布。
The testing result discloses that the drift and diffusion function are nonlinear, and the distribution of interest rate does not follow the specification in the parametric models.
线性数学手段难以精确描述非均质储层参数的空间分布特征。
It is difficult to accurately characterize the parameter distribution through conventional linear methods.
采用有限元软件ANSYS参数设计语言(APDL)实现复合材料薄壁圆柱壳结构在线性分布温度场作用下的非线性热振动特性分析。
The nonlinear thermal vibration characteristic of the composite thin-cylindrical shells under linear temperature field is investigated by the ANSYS parametric design language(APDL).
本法对具有非线性特性的分布参数对象,较常规控制策略有明显的优越性。
It is shown that the control strategy succeeded and has significant advantage compared with a conventional control strategy in nonlinear distributed parameter systems.
在成本参数服从均匀分布以及逆需求函数为线性的特定假设下,认为两种极端风险态度下管制价格、生产产量与成本参数的相关性是相同的。
With a certain assumption, we conclude that the relationship between price level, quantity produced and cost parameter is same at both extreme levels of risk avoidance.
将一种分布式模态参数方法,应用于带有能量消耗和非线性载荷的大型转动轴。
The method USES a modal parameter formulation and is applicable to the case of the energy loss shafts and nonlinear loads.
分析了离散时间线性系统模型参数估计误差的收敛性和收敛速度,对参数估计误差服从渐近正态分布的一些条件进行了讨论。
The convergent property and convergent rate of parameter estimation error are analyzed . Some sufficient conditions are given to guarantee the asymptotic normality of parameter estimation error.
炼钢生产中,定氧加铝工艺的被控对象具有参数分布、非线性、动态观测数据离散等特征,定氧加铝模型的建立是该工艺的核心。
In the process of steel-making, killing oxygen by adding aluminum process is a controlled object whose parameters are distributed and non-linear, and its observed data are discrete.
该线性化方法的误差主要来源于映射参数分布的不均匀性,对于常见的可用平行四边形剖分的膜,其逼近精度相当高。
The error of the present method mainly comes from the non-uniformity of the mapping parameters, and thus this method works very well for most membranes whose shapes are close to parallelogram.
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