本文基于复模态综合和优化技术，提出一种子结构物理参数识别方程。
Based upon complex modal synthesis and optimization techniques, a method for identifying physical parameters of substructures is proposed in this paper.
基于广义卡尔曼滤波提出了随机荷载作用下桥梁结构物理参数的识别方法。
Based on the extended Kalman filter, an identification method on physical parameters of bridge structures subjected to stochastic loads is proposed.
结构系统识别方法根据识别的对象可以分为模态参数识别和结构物理参数识别。
Based on the identification objective, the structural identification methods can be divided into modal parameter identification and structural physical parameter identification.
本文通过对结构物理参数的敏感性分析，得出各参数中敏感性比较高的单元，为结构动力优化修改提供依据。
The more sensitive parameters were get after analysis, and it can be used to the amending of dynamical optimize.
为了解决大型桥梁结构局部区域的健康监测问题，提出了一种用于桥梁结构物理参数识别的双单元子结构法。
In order to solve the problem of health monitoring at local area of large Bridges, a double-element substructure method to identify the physical parameters of bridge structures is proposed.
在同时考虑结构物理参数、几何尺寸和作用荷载随机性的情况下，给出了结构有限元和基于可靠性的灵敏度分析方法。
In finite element and reliability analysis, the randomness of the structural physical parameters, geometry dimensions and the stochastic loads applied on structures are all considered.
利用振型迭加法导出了结构物理参数和作用荷载幅值同时具有随机性时结构动力响应随机变量的数字特征计算表达式，并提出了求解方法。
The randomness of both physical parameters of structure and the amplitude peak of applied load are taken into account in the present model.
为了评定此桥梁损伤识别方法的稳定性，在模态参数带有一定的随机误差的情况下，分析了这种桥梁损伤识别方法的结构物理参数的统计特性。
To evaluate the stability of the proposed method, the statistical properties of the physical parameters of the bridge structure were analyzed under the model parameters with random errors.
对于在一个方向物理及几何参数为常量的结构，其离散-连续设计模型是建立在所谓的离散-连续有限元的基础上的。
The discrete-continual design model for structures with constant physical and geometrical parameters in one direction is offered on the basis of so-called discrete-continual finite elements.
原子光谱数据是研究原子结构的重要参数，氢及类氢离子是原子物理和量子力学研究的理想体系。
Atomic spectrum data are important parameters to research atomic structure, hydrogen and hydrogen-like ions are idea system to study atomic physics and quantum mechanics.
以随机物理参数板梁组合结构为对象，研究了其在随机力作用下的有限元分析方法。
The finite element analysis methods for plate-beam composite structures with random physical parameters under the random loads action are studied.
在不同参数、结构高压直流断路器单元开断试验结果的基础上，提出高压直流断路器灭弧方式的物理设计原则。
Based on the interrupting test results of this break unit with different parameters and structures, the physically designing principles of extinguishing arc fashion in HVDC breaker are introduced.
利用该有限元模型分析了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
Based on the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures were analyzed.
从VDMOS的物理结构出发建立子电路模型，进而导出描述其交直流特性的参数及模型公式。
A sub circuit model for VDMOS is built according to its physical structure. Parameters and formulas describing the device are also derived from this model.
利用此有限元模型研究了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
On the basis of the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures are studied.
采用优化后的结构参数制造了ISOGRID板结构物理模型，并进行了动态实验。
A prototype of optimized ISOGRID steel panel is manufactured, its dynamic characteristics experiment is successfully carried out.
基于结构的有限元全物理模型，提出了一种双参数全模态颤振分析方法，并在ANSYS中实现。
A new approach of full-mode flutter analysis with double parameters is proposed, which is realized in ANSYS, based on the full-order discretized physical model of structure.
该控制器将神经网络和PID控制规律融为一体，既具有常规PID控制器结构简单、参数物理意义明确的优点，又具有神经网络自学习、自适应的能力。
It has the simple structure and definite physics meaning parameters as a regular PID controller, and has the self study ability as neural nets.
本文采用直接拟合恢复力模型的方法，逐步给出非线性结构的全部物理参数。
In this paper a direct fitting method is presented. The physical parameters of nonlinear structures can be identified by this method.
基于结构振动的行波理论，提出了一种管道联接件物理参数识别的新方法。
Based on the traveling wave theory, a new method for determining the junction parameters of piping systems is presented.
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.
叶面积指数(LAI)是植被冠层结构的一个重要参数，它的改变标志着植被发生了生物物理变化。
Leaf area index (LAI) is a crucial parameter of vegetation canopy structure and controls a number of biophysical processes of vegetation.
本文分析讨论了在设计寒冷海域结构物时，考虑冰载荷的影响、海冰物理力学特性对冰载荷的影响以及计算冰载荷的公式选用和有关参数的选取。
In this paper, the sea ice force acting on the structure, the ice physical mechanical properties and the parameters selecting in calculation equation proposed by API (RP2N) and others are discussed.
具有复杂孔隙结构的非均质油气藏岩石物理参数的实验测量一直是花费高昂而又困难的工作。
Petrophysical experiments have been run into difficulties in accurately measuring petrophysical parameters of inhomogeneous reservoir rocks with complex pore structure.
液体的粘度是重要的基本物理参数和结构敏感物性参数。
Liquid viscosity is an important fundamental and structural sensitive physical parameter.
测定了岩石的矿物成分及微观结构和岩石的物理及水理性质参数。
The mineral component and microstructure of the mudstone are determined. The physical and water-physical parameter of the mudstone is tested.
模型提供水泥初始水化历程的热学参数及结构形成参数，将化学反应进程与结构形成的物理状态结合起来。
The H-E model provides the thermal parameter and the structure forming parameter of cement initial hydration, which combines the chemical reaction course and physical state of the structure forming.
它具有控制结构简单、物理概念明晰、对电动机内部参数依赖少、转矩响应迅速和易于数字化实现等优点，在交流传动领域越来越多地受到学者、专家们的关注。
It has many merits, its structure is very simple and the principle is clear, and the response of torque is rapid and little dependence on the interior parameters of the motors, and easy digitization.
本文从无阻尼系统开始，讨论了物理参数的变化引起结构动特性变化的灵敏度。
Beginning with the no damping system in this paper, the change rates of the structure's dynamic properties, caused by the small change of system parameters are discussed.
本文从无阻尼系统开始，讨论了物理参数的变化引起结构动特性变化的灵敏度。
Beginning with the no damping system in this paper, the change rates of the structure's dynamic properties, caused by the small change of system parameters are discussed.
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