首页 | 翻译 | 影视 | 论坛 | 索引 1)  primary resonance with primary parametric resonance 主共振-主参数共振 1. By means of the method of improved averaging for nonlinear oscillationst,he approximation solution of primary resonance with primary parametric resonance of lateral vibration of generator shafting was ob-tained,and numerical analysis was carried out. 应用非线性振动的改进平均法,求得发电机组轴系横振主共振-主参数共振解并进行数值计算。 2)  Primary resonance 主共振 1. Research on primary resonance and bifurcation of soil-nonlinear structure interaction system; 地基-非线性结构相互作用体系的主共振与分叉 2. By means of the averaging method for nonlinear vibration analysis,the amplitude-frequency response bifurcation equation of primary resonance is obtained and its singularity is analyzed. 由非线性振动平均法求得主共振幅频响应分岔方程并进行奇异性分析,得到开折参数平面的转迁集和分岔图。 3. Based on multiple scales method for nonlinear vibration analysis,the first approximation solutions and their corresponding steady state solutions to the primary resonance system were obtained. 根据非线性振动的多尺度法,得到系统满足主共振条件的一次近似解以及对应的定常解。 3)  Main resonance 主共振 1. Analysis of main resonance of drive shaft with rigid multi-supports; 刚性多支点传动轴主共振分析 2. The maximum amplitude,stability and amplitude jump of main resonance describe the primary characters of a drive shaft. 传动轴主共振的最大振幅、稳定性、振幅突变性是其主要特性。 3. An investigation of sinusoidal excited was studied for the forced vibration of a single-degree-of-freedom system;the first-order approximate solution to the main resonance was obtained by the average. 通过空气热力学方程和试验得出空气弹簧的刚度特性,对单自由度1/4车辆模型只考虑车辆的垂向运动,得到其振动方程,并研究在单频正弦激励情况下的主共振,利用平均法得到了一次近似解及幅频关系。 4)  principal resonance 主共振 1. The non-linear principal resonance of a conductive beam plate in a magnetic field subjected to some mechanical loadings is studied. 研究了磁场环境中受机械载荷作用梁式薄板的非线性主共振问题。 2. The principal resonance of a second-order stochastic oscillator under combined harmonic and random parametric excitations is investigated. 研究了二阶线性系统在谐和与随机噪声联合作用下的主共振响应和稳定性问题。 3. Two degree of freedom principal resonance of generator end winding is studied when the clamping plates are loose. 对压板松动时大型汽轮发电机定子端部单根绕组的两自由度主共振问题进行了研究。 5)  main resonance section 主共振区 6)  primary resonance solution 主共振解 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。 参考词条 补充资料：港口共振     　　又称假潮。见防波堤。　　 说明：补充资料仅用于学习参考，请勿用于其它任何用途。 ©2008 dictall.com