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.
高阶模态逐渐被人们认识并用来进行局部物理参数识别并用来进行损伤判别。
The higher modes were recognized and used to identify the local physical parameters and to diagnose the damage.
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.
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.
该模型主要用来对某些物理对象各参数之间的关系进行识别。
It can be used to recognize the relationship among parameters existing in some physical phenomena.
利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。
The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
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.
器械需求应该识别对象器械，最终成品器械的所有性能要求、物理参数、安全和兼容特征等。
Device requirements should identify all of the desired performance, physical, safety and compatibility characteristics of the proposed device and, ultimately, the finished device.
地球物理测井能识别储层流体性质的前提条件是油、气、水的物理参数存在差异。
The difference of physical parameters in oil-gas-water are premise that geophysical well log can be used for fluid typing.
采用直接参数识别方法（DPE）由系统的输入、输出数据识别空间对接机构的物理参数：惯量矩阵、阻尼矩阵和刚度系数矩阵。
Nonlinear physical parameters of the docking mechanism-inertial, damping and stiffness matrices, are identified by direct parameter estimate(DPE)method with input-output data of the system.
本文采用了单位脉冲响应函数法识别模态参数，由所建数学模型的特征方程识别结合部的物理参数。
The impulse response method is adopted to identify the modal parameters, and the physical parameters are estimated from the characteristic equation of the mathematical model built.
在两个模态坐标系中的参数识别过程完全类似于在物理坐标系中的识别过程。
The discussed identification procedures in the two modal coordinate system are similar to the method in the physical coordinate system.
在识别物理参数时，采用了不同测点的数据进行计算，以求达到更好的精度。
In identification of physical parameters, the data of different measured point is used in calculation for more accurate results.
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.
为了更有效地利用地球物理测井信息来解决这类识别问题，考虑利用模糊理论并结合测井多参数信息来进行岩相综合识别。
In order to make better use of data from geophysical logging, fuzzy theory and data of logging were adopted to identify lithofacies.
本文给出一个随机振动载荷的识别方法和系统物理参数的识别算法。
Suggested in this paper is method for random vibration load identification, together with the algorithm used for physical parameter identification.
本文给出一个随机振动载荷的识别方法和系统物理参数的识别算法。
Suggested in this paper is method for random vibration load identification, together with the algorithm used for physical parameter identification.
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