1) harmonic resonance
谐波共振
1.
Experiment research of difference between nonresonant natural vibration and harmonic resonance of object;
物体的非共振固有振动与谐波共振的区别实验研究
2.
Harmonic resonance is a key factor to identify the rotor crack.
谐波共振是识别转子裂纹的重要依据 ,但由于转子裂纹的弱激励、非线性、非平稳等特性 ,导致利用传统信号处理方法不能准确有效地获取系统的谐波共振特性 ,从而难于识别出裂纹 ;小波时频分析方法是处理非线性、非平稳信号的强有力工具 ,将小波时频分析方法引入到裂纹识别的仿真研究中 ,基于建立的裂纹转子动力学模型 ,分析了利用小波时频分析方法识别裂纹的可行性。
3.
Based on the frequency fission from some modulating unit,the frequency con-struction of response is known and some frequency criterion are established for harmonic resonance un-der multifrequency harmonic and modulation parametric excitation.
本文采用调制反馈法分析单自由度受迫振动在参数激励条件下的响应，，从调制环节的频率裂解出发，得到了振动响应的频率结构形式，建立了多谐参数，调制参数激励下的谐波共振条件，并且对典型参数振动系统进行了仿真和实验结果验证。
2) resonance of nonresonant harmonil waves
非共振谐波共振
3) resonance wave
共振波，谐振波
4) subharmonic resonance
亚谐波共振
1.
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。
2.
The subharmonic resonance of the cracked rotor was analyzed.
分析了裂纹转子的亚谐波共振特性 ;研究了刚度变化、质量偏心以及质量偏心角对裂纹转子瞬态响应的影响 。
3.
The nonlinear 3-step subharmonic resonances of a thin cylindrical shell in a magnetic field subjected to mechanical loadings are evaluated.
研究了磁场环境中受机械载荷作用圆柱壳体的三阶亚谐波共振问题。
5) superharmonic resonance
超谐波共振
1.
It is expounded and proved that 2nd order or 3rd order superharmonic resonances of a rotor system arise when its angular velocity approaches 1/2 or 1/3 its linearized natural angular frequency.
本文利用多尺度法分析了刚度非线性转子系统的横向振动，论证了当转频接近于线性化固有频率的1／2或1／3时，分别存在明显的二阶或三阶超谐波共振现象。
2.
A numerical solution of 4 superharmonic resonances is obtained by using the shooting method.
通过打靶法得到了4倍超谐波共振数值解,并考察了静载荷、激振力力幅、激振频率以及自振振幅对超谐波共振响应的影响。
6) 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。
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