本文研究了用与受迫力谐波共振的周期摄动抑制含二次非线性项受迫振动系统中的混沌。
In this paper, suppression of chaos in a forced vibration system with a square term by resonant periodic perturbations is studied.
复杂振动中频率最低的成分(基频或一次谐波)。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
以开关电源驱动的超声电机为了避免激发出电机的非工作模态振动，需要串联电感滤除高次谐波。
To avoid the vibration under non-working modes, inductors should be connected in series to the USM, which is driven by switched-supply power.
建立了振动压路机跳帧的动力学模型，研究了跳振时振动压路机的非线性动力学特性，选取次谐波共振为跳振的主要特征。
The dynamical model of jump vibration is built, the nonlinear dynamical characteristic of jump vibration is studied and find the sub-harmonics vibration is main characteristic.
建立了振动压路机跳帧的动力学模型，研究了跳振时振动压路机的非线性动力学特性，选取次谐波共振为跳振的主要特征。
The dynamical model of jump vibration is built, the nonlinear dynamical characteristic of jump vibration is studied and find the sub-harmonics vibration is main characteristic.
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