模态机械阻抗综合法是一种新的动态子结构振动分析方法，是传统机械阻抗综合法的推广。
Modal mechanical impedance synthesis analysis (MMISA) is a new subsystem vibration analysis method and a new approach based on traditional mechanical impedance synthesis analysis.
旋翼阻抗由旋翼在固定坐标系中的运动方程得到，这个运动方程由旋翼旋转坐标系中的桨叶模态方程导出。
The rotor impedance is calculated from the rotor equations of motion in the fixed- coordinate system derived from the modal equations of blade in the rotating-coordinate system.
讨论了阻抗参数与导纳参数，复模态参数与实模态参数的转比关系；
Then, the transformation equations relating physical parameters with admittance parameters and those relating complex modal parameters with real ones were determined.
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