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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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