Parametricvibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.
研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。
2
The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.
研究由桥面振动引起的斜拉索参数共振和亚谐波共振问题。
3
The question about parametric identification of nonlinear vibration system based on time-frequency analysis was studied.