The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
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。
Based on the extended Kalman filter, an identification method on physical parameters of bridge structures subjected to stochastic loads is proposed.
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。
In identification of physical parameters, the data of different measured point is used in calculation for more accurate results.
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 the paper, aim at time - varying characteristic of physical parameters of the structure joint, an online identification method of time-varying parameters of structure joint is presented.
针对结构系统连接处物理参数具有时变特性，本文提出一种用于结构连接处时变物理参数在线辨识方法。
In the paper, aim at time - varying characteristic of physical parameters of the structure joint, an online identification method of time-varying parameters of structure joint is presented.
针对结构系统连接处物理参数具有时变特性，本文提出一种用于结构连接处时变物理参数在线辨识方法。
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