1) autoparametric system
参数励振
2) parametric excitation
参数激振，参数激励
3) parametrically excited and forced oscillation
参数激励强迫振动
5) parametric excitation
参数激励
1.
A mathematical equation of submerged floating tunnel tether vibration under the effects of vortex and parametric excitation was presented to investigate the importance of its high-order vortex-induced lock-on vibration.
为研究悬浮隧道锚索高阶涡激非线性振动,建立了悬浮隧道锚索在涡街和参数激励作用下振动的数学方程,并用多阶伽辽金法对其进行了化简,运用四阶龙格-库塔法进行了数值求解。
2.
Consider the situation when the frequency of parametric excitation and forced excitation is double of natural frequency of yaw motion,the 1/2 sub-harmonic resonance yaw motions of ships are studied using nonlinear vibration theory.
本文利用非线性振动理论研究了参数激励频率和波浪的强迫激励频率相同且等于艏摇固有频率2倍时的船舶1/2亚谐共振运动,揭示了船舶在低速航行、遭遇频率相对较高时,积累艏摇运动导致横甩发生的机理。
3.
Dynamic evolution is analyzed with parametric excitation, periodically time varying sound inductance is a key network parameter, and a modulator is firstly introduced and this paper suggestes that it can be regarded as a capable index of thermoacousitc engine.
用参数激励机理的振荡理论分析了系统的演化过程,认为时变参数流感是系统演化的网络关键参数,提出了定量判据系统工作能力的指标调制度。
6) excitation parameters
励磁参数
1.
Testing principle of excitation parameters of generator set was introduced and testing procedures were determined in this paper.
文章介绍了发电机组励磁参数测试原理,确定了测试步骤,并依托某电厂实体工程,对发电机组励磁参数进行了现场测试,根据AVR和PSS模型进行了仿真计算,将现场测试结果与仿真计算结果进行比较,表明模型具有较高的精度和稳定性。
补充资料：训励
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