modal damping ratio meaning in English

模态阻尼比

In case of modal damping ratios to control , an algorithm of optimal placement of viscous dampers is presented
在所控制的振型阻尼比确定的情况下，给出了粘滞阻尼器在结构中的位置优化算法。
5 numerical simulations for dynamic characteristic of cable - mr damper system are conducted . relationships of the first three modal damping ratios versus the excitation amplitude , height attaching damper to cabl
采用环境随机激励法，测量了拉索系统的动力特性；设计了专用激励装置，测试了拉索
As to the polyreference implemention of the least - squares complex frequency - domain estimator in mathematical separation technique of modes , this thesis builds a right matrix - fraction description model to estimate the system poles . then frequency point stabilization diagram is set up and analyzed to automatically determine natural frequencies , modal damping ratios and modal participation factors . finally mode shapes are identified based on the least squares theory
对于模态数学分离技术的多参考点最小二乘复频域识别技术,先建立右矩阵分式频响模型,识别出系统极点,再通过建立和分析频率点稳态图,能自动的确定出结构的固有频率、模态阻尼比和模态参与因子,最后根据最小二乘原理识别出模态振型向量。