高速永磁电机；机械特性；电磁特性；转子动力特性；转子设计。
HSPM Machine; Mechanical Characteristics; Electromagnetic Characteristics; Rotor Dynamic Characteristics; Rotor Design.
在设计中采用复杂的多转子结构，需多方案比较时，应用本法计算转子动力特性特别有利。
When conducting the rotor dynamic analysis of several planning complex composite rotor systems in design stage of engines, The substructure transfer matrix method is especially beneficial.
滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。
The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.
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