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- This is first time to solve the nonlinear stability problem of rail vehicles succe fully by using Poincare map method in China. 论文研究了试验台的方案形式和关键技术,介绍了试验台的结构、系统组成、主要参数、功能情况。
- We used Poincare map and bifurcation map to analyze the nonlinear dynamic response of a eight-degree-of-freedom rotor system with two disks supported on a squeeze film damper(SFD) as shown in Fig.1. 对双盘悬臂柔性转子-非同心型挤压油膜阻尼器(SFD)系统进行了非线性动力学分析。计算结果表明:双盘转子-非同心型SFD系统具有丰富的非协调响应,系统响应中存在大量的亚谐、超谐、非协调(正,反进动)甚至轨道不规则的响应。
- We quantify and simplify the model in order to simulate, we write the poincare maps, axes contrails, phase plane portraits, times-history and amplitude spectrum program. 对建立的动力学模型,编写相应的庞卡莱图,轴心轨迹图,相位图,波形图,频谱图的作图分析程序。
- Keywords Fault signal;Feature analysis;Instantaneous Frequency;Poincare map;Topology contravariant;Signal analysis; 故障信号;特征分析;瞬时频率;庞加来映射;拓扑反变;信号分析;
- global Poincaré mapping dia- gram 全局Poincaré映射图
- There is a map of the world on the wall. 墙上有张世界地图。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- The road we should take is marked on the map. 我们要走的路已经标在地图上了。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- I found this old map in the family archives. 我在家谱中发现了这幅旧地图。
- I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
- The airport is arrowed on the map. 飞机场在地图上用箭头标出。
- The Numerical Algorithm of Poincare Map and Its Application to the Analysis of the Chaotic Phenomenon in Permanent- Magnet Synchronous Motors Poincare映射的数值算法及其在永磁同步电机混沌分析中的应用
- The map is in error regarding the junction. 这张地图在这个交点上是绘制错了。
- He drew a world map on a sphere. 他在球上面画了一幅世界地图。
- The place is marked on the map with a crossing. 那个地方在地图上以十字形记号标出。
- Do not draw the map, just write the answer. 不要画地图,只写答案。
- He fitted the map snugly into the bag. 他把地图整齐地塞进包里。
- At the moment he was studying a map. 这时候他正在看地图。
- He was puzzling over the old map. 他对着那张旧地图苦苦思索着。