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- A new method, roubust flutter margin method, of determining flutter boundary is introduced. 摘要介绍了一种新的确定颤振边界的方法-鲁棒颤振裕度法。
- It incorporates organically the flight test data and the flutter theory model by the structured singular value theories, to process the flutter boundary estimate. 利用结构奇异值理论将颤振理论模型和试飞数据有机结合起来，进行了颤振边界预测。
- Focused on the features and requirements of flutter boundary prediction (FBP), the method presented here is introduced and investigated around precision, anti-noise and short sample. 针对飞机颤振边界预测(Flutter Boundary Prediction，FBP)的数据特征及分析要求，论文从预测精度、抗噪性、短样本效应三个方面考察了所研究方法的适用性和可靠性。
- Classical linear flutter analysis is based on the solution of flutter eigenvalue problem, and needs to track the root loci to determine the correct flutter boundary but sometimes it may fail. 摘要经典的线性颤振分析方法需要求解颤振特征值问题，并需要对特征值进行跟踪排序，以消除在确定颤振临界点时可能出现的颤振模态分支的“窜支”问题，从而影响了颤振分析的效率及自动化程度。
- real-time flutter boundary prediction system 实时颤振边界预测系统
- The lane is the boundary of our land. 那条小路就是我们这片地的界线。
- Mother is all of a flutter because of thunder and lightning. 由于电闪雷鸣，妈妈感到十分不安。
- The ball ran (ie rolled) to the boundary. 球向著边线滚去。
- The boundary is not clearly defined. 这疆界没有明确划定。
- The fence marks the boundary between my land and hers. 这道栅栏是我的地和她的地的分界线。
- The shape, outline, or boundary of a coast. 海岸线海岸的形状、轮廓或边界
- They unfurled the flag and let it flutter in the wind. 他们将旗展开让其迎风招展。
- That TV play caused a mild flutter among the viewers. 那出电视剧在观众中稍稍引起轰动。
- There was a flutter of wings among the trees. 树林里响起一阵飞鸟的拍翅声。
- The boundary line of a figure, area, or object. 周围一个图形、区域或物体的边界线
- A mark indicating the boundary of such an interval. 刻度线，分度线指示这种间隔的界限的标记
- The ball is caught by a fielder stand just inside the boundary. 那球被正站在边界线内的守场员接住了。
- flutter boundary 颤振边界
- He immediately fell into a great flutter. 他立刻变得心慌意乱。
- A fourth model may be tested for flutter speed. 第四个模型可用来进行颤振试验。
