A rolling multiple model weighted average estimation algorithm is presented for tracking the fast time varying model parameters.
为了跟踪快时变参数，提出了一种滚动多模型加权平均参数估计算法。
One of the most important content in this thesis is research on the core of linear time varying model - impulse sensitivity function.
本文的主要内容之一是重点研究了线性时变模型的核心——脉冲敏感函数。
In order to analyzing the vehicle-track coupling vibration character of infinite length track, a time-varying model of railway tangent track spatial vibration was presented.
针对无限长轨道上车辆轨道耦合振动响应特性，建立了铁路直线轨道结构空间振动模型。
The mathematic expressions of temperature stress and dry shrinkage stress are deduced. The time-varying model based on multiple factors of concrete face stress is established.
推导了温度应力分量和收缩应力分量的数学表达式，建立了面板应力多因素时变分析模型；
Through varying model parameters, more complicated deformation behaviors can be simulated by the modified model.
通过变化模型参数，可模拟变形特性较为复杂的土体。
Through varying model parameters, more complicated deformation behaviors can be simulated by the modified model.
通过变化模型参数，可模拟变形特性较为复杂的土体。
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