1) subharmonic resonance
次谐共振
1.
Subharmonic resonance analysis of a francis turbine-generator unit
混流式水轮发电机组主轴系统次谐共振分析
2.
The energy-iteration method for strongly non-linear autonomous system was modified to deal with strongly non-linear non-autonomous system, and the modified new method was developed, the analytic expressions of solution of primary resonance and superharmonic and subharmonic resonance.
研究了在横向动载荷作用下存在轴向力的一类梁的强非线性振动;建立了梁振动的二阶强非线性非自治微分方程,并对求解强非线性自治系统的能量迭代法加以改进,用于求解梁的强非线性非自治系统,其方法是:由能量法得到主共振、超谐共振和次谐共振的一次近似解的表达式;引入牛顿迭代的思想和最小二乘法,得到高次近似解的表达式。
3.
Based on the condition, the stability boundaries are obtained in the cases of subharmonic resonance and conbination resonance.
利用该条件得到了次谐共振和组合共振的稳定边界。
2) subharmonic resonance
次谐波共振
1.
Attention is focused on the superhamonic and subharmonic resonances.
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。
2.
The crack will lead to the subharmonic resonance responses when the rotational speed is near the 1/2 or 2/3 of the critical speed.
发现裂纹会导致响应在1/2和2/3倍临界转速附近出现次谐波共振现象,在这些转速下系统响应出现了次谐波和高次谐波分量,如1/2倍频、3/2倍频、2倍频、3倍频和4倍频分量,并导致这些转速下振幅急剧增大,影响转子的稳定运转。
3.
Some numerical examples are presented to demonstrate the effects of speed pulsation and the nonlinearity in the first two subharmonic resonances.
应用Liapunov线性化稳定性理论,导出次谐波共振时零解与非零解的不稳定条件。
3) subharmonic resonance solutions
次谐共振解
1.
In investigation,the existence conditions of primary resonance solution and subharmonic resonance solutions are obtained.
利用该方法可求出广泛的一类强非线性系统主共振解及次谐共振解存在的条件并能从相关公式知道系统的基本参数对系统特性的影响，可为避免共振提供理论依据，同时可通过相关公式的引导来调节系统的基本参数从而改变系统特性。
4) subharmonic resonance
次调和共振，次谐波共振，分谐波共振
5) Higher-harmonic resonance vibration
高次谐波共振
6) 2nd superharmonic resonance
2次超谐共振
补充资料：电子自旋共振(见电子回旋共振)
电子自旋共振(见电子回旋共振)
electron spin resonance
电子自旋共振eleetron spin resonanee见电子回旋共振。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条