The result shows that compared with slenderness ratio of bearing and the eccentricity of rotor, the journal clearance is the main factor influencing the trajectory and domain characteristics.
2
通过对位移信号的快速FFT变换，分析了系统振动信号的基本特征，研究了双侧转子对中间轴颈振动的影响；
The displacement signals of ten test positions in the system were processed with FFT Algorithm and basic spectrum features were extracted.
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