| 1. | We stand now where two roads diverge . 我们正处在两条道路分岔的地方。 |
| 2. | Global analysis of stochastic bifurcation for duffing systems 系统随机分岔的全局分析 |
| 3. | A map method for grazing bifurcation in linear vibro - impact system 线性碰振系统周期解擦边分岔的一类映射分析方法 |
| 4. | Numerical study of two - parameter bifurcations for the discontinuous current - programmed buck - boost converters 变换器二参数分岔的数值研究 |
| 5. | Singular analysis of bifurcation of nonlinear normal modes for a class of systems with dual internal resonances 双重内共振系统非线性模态分岔的奇异性分析 |
| 6. | Investigation to the periodic motions and period - doubling bifurcations of a moored ocean platform with cell - to - cell mapping method 系泊海洋平台周期运动倍周期分岔的胞映射分析 |
| 7. | In silence mole rowed steadily , and soon they came to a point where the river divided , a long backwater branching off to one side 鼹鼠默默地划着船,不一会,他们来到了一处河道分岔的地方,一股长长的回水向一旁分流出去。 |
| 8. | The random analysis of 4ws is focused on stochastic stability , especially in stochastic bifurcation . the results have both theoretical and application significance 汽车四轮转向系统的随机振动分析的侧重点在于随机稳定性的分析,特别是在随机分岔的分析方面,具有重要的理论和实际意义。 |
| 9. | Chapter 2 deals with the fundamental theory and methods of bifurcation . the conditions giving rise to the static bifurcation are derived at first , then , the improved ls reduction method is studied and the centre manifold method is simplified 第二章研究分岔的基本理论和方法,推导了一般一维非线性微分动力系统发生鞍?结分岔、叉式分岔和跨临界分岔等基本静态分岔的条件,改进和简化了高维非线性微分动力系统的降维方法。 |
| 10. | The stability and bifurcation condition of rotor system are obtained and the way to improve system stability and reduce the vibration amplitude through adjusting system parameters is indicated ; 3 ) the strong nonlinear dynamic characteristic of high - speed rotor system is studied . the movement trend of system and the effect of system parameters to dynamic characteristic are indicated . the deference of the strong / weak nonlinear system and the unique characteristic of the strong soft - nonlinear system are pointed out ; 4 ) the bifurcation behavior of nonlinear rotor system is studied and the parameter region when chaos phenomenon is appeared is obtained in bifurcation and chaos theory 研究了系统的稳定性条件和发生分岔的条件,提出了通过改变参数来提高系统稳定性和抑制振幅的方法; 3 )运用强非线性理论研究了轻型高速转子系统在大扰动条件下的强非线性主共振和1 / 3亚谐共振的动力学特性,给出在强非线性条件下系统的运动趋势和系统参数对系统动力学特性的影响,并进一步指出强/弱非线性系统、软/硬非线性系统的区别以及强软非线性系统的独有特性。 |