非线性结构的参数估计和系统识别是取得和验证非线性结构数学模型的一门学科。
The parameter estimation and system identification of nonlinear structures is a subject which serves to obtain and verify mathematical model of nonlinear structures.
本文提出了一种新的结构模态参数识别算法，称为直接特征系统实现算法(DERA)。
A new method called direct eigensystem realization algorithm (DERA) is developed for structural modal parameter identification.
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.
给出了一个新的用于线性时变参数结构系统模态参数识别的基于固定长度平移窗投影估计的递推子空间方法。
A novel recursive subspace method is developed based on fixed length moving window (FLMW) projection approximation used for estimating the modal parameter of linear time-varying structural system.
本文系统地研究了基于遗传算法的线性结构系统模态参数识别方法。
This paper studied the linear structure system modal parameters identification based on Genetic Algorithms.
并把这种算法推广应用到未知输入条件下的地基参数识别和贮仓-基础-结构相互作用系统参数识别。
The methods developed are extended to identify parameters of foundation without input and parameters of foundation-silo interaction system .
对结构系统模态参数识别方法近十几年来的最新研究成果进行了综述和总结。分析了模态参数识别方法的发展趋势，并对其中的典型研究成果进行简要的介绍。
In this paper, the progress of modal parameter identification method for structure system in the past twenty years is discussed, and typical achievements by these methods are briefly introduced.
由若干部件经一定的连接部件组成的复杂结构系统，其连接部件的连接刚度可通过参数识别的方法来提取。
The stiffness of the connection joint which connect different parts of a complex structure can be extracted by identification method.
由若干部件经一定的连接部件组成的复杂结构系统，其连接部件的连接刚度可通过参数识别的方法来提取。
The stiffness of the connection joint which connect different parts of a complex structure can be extracted by identification method.
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