结构 阻尼 (Structural Damping,Hysteretic Damping) 复频率 (Complex Frequency) 复振型 ( Complex Modal Shape ) 振动信号的时域、频域描述 ,
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...筑结构 关键词]非比例阻尼;复振型;强迫解耦法;非比例阻尼特征指数 [gap=1044]Keywords:non-classically damping; complex mode; forced decoupling method; index of damping non-proportionality ..
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复合型减振合金 composite damping alloy
谐振复位型正激变换器 resonant forward converter
复合振子模型 composite OSCillator model
According to the theory, aiming at principally the effect of ground motion that earthquake causes,this thesis analyze non-proportional damped structure theoretically, raising an approach that calculate the displace of every story and between-store by complex mode shapes spectrum splice.
并以此为理论基础,主要针对在地震地面运动影响下,对非比例阻尼结构进行理论分析和公式推导,提出了运用复振型反应谱叠加计算多层结构楼层位移及层间位移的方法。
参考来源 - 非比例阻尼线性系统的复振型分解方法·2,447,543篇论文数据,部分数据来源于NoteExpress
该方法仅需进行一次系统矩阵的分解就可获得高精度的多个复振型导数。
Finally, many complex mode shape derivatives of high accuracy can be obtained by decomposing system matrices only once.
为了避免这样的误差,可以采用文中推荐的基于复振型的完全平方组合(CCQC)方法。
In order to avoid such errors, adopting complex complete quadratic combination (CCQC) method based on complex modes is a good solution.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
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