complex frequency meaning in Chinese

复合频率
复频率

Complex frequency response
复频响应
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。