Vibration test, wind tunnel flutter test and the corresponding calculation are conducted.
风洞颤振试验和计算分析。
Flutter test data processing was the important component of flight flutter testing of aircraft.
颤振试验数据处理是飞行颤振试验的重要组成部分。
According to the principles and signal properties of flutter test, a new filtering algorithm in time-frequency domain is presented.
根据颤振试验的原理和观测信号特点，提出一种时频域滤波方法。
ARMAX model method and subspace-based state space method were used to process the flight flutter test data, and identify the flutter modal parameters of aircraft.
论文使用了现代参数辨识技术的ARMAX模型递推法和状态子空间辨识法，对飞行颤振试验数据进行处理，辨识飞机的颤振模态参数。
At the same time, the substantiating test techniques have been described, especially the analog simulation test technique, sub-critical flutter test, closed-loop test, etc.
同时，还介绍了几种试验验证技术，主要是模拟仿真试验技术、亚临界颤振试验、闭环系统试验等。
Chinese aircraft cnginccrs arc becoming intcrcsted in some strange localized vibration phenomena that occur during ground vibration test and flutter test: mode localization and frequency loci veering.
研究了某机简化模型线性振动的模态局部化现象，以及与此现象密切相关的频率曲线转向现象。
The phenomena "limit cycle" occurred in wind tunnel test for active flutter suppression of a wing model are numerically explained using Harmonic Balance Method.
本文采用谐波平衡法，定量地解释了机翼颤振主动抑制风洞试验中出现的极限环现象。
This paper gives a brief description of the whole process of the low-speed wind tunnel test for active flutter suppression of a two-dimensional wing model with trailing edge control surface.
本文简要地阐述了具有后缘控制面的二元机翼模型主动颤振抑制低速风洞试验的全过程。
Modal test and parameter identification of a wind tunnel flutter model simulating a wing with external missiles are presented in this paper.
本文介绍了带外挂风洞颤振模型模态试验与参数识别方法。
Modal test and parameter identification of a wind tunnel flutter model, similar to a wing with external missiles, are presented in this paper.
本文介绍了带外挂风洞颤振模型模态试验与参数识别方法。
As the three-dimensional flutter theory is still not satisfactory at present, it seems necessary to have a full-model wind tunnel test for such a type of bridge.
斜张桥的三维颤振理论目前尚不成熟，有必要进行这种桥型的全模型风洞试验。
The test results show that a change in two parameters-the gain and the phase Angle of the feedback control-will have an effect on the stability of the active flutter suppression system.
实验结果表明：改变反馈控制的增益和相位角两个变量，能影响主动颤振抑制系统的稳定性。
Model stiffness and support location effect on flutter derivatives is studied in bridge deck section dynamical test.
通过试验研究了桥梁节段模型动力试验中模型本身的刚度和支撑位置对颤振导数测量结果的影响。
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。
The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.
风洞试验结果说明，采用颤振主动抑制控制系统后，机翼的颤振临界速度可提高37%。
Pass to incorporate organically the flight test data and the system model, make use of the structured singular value theories proceed the flutter boundary estimate.
一种新的颤振分析方法——鲁棒颤振裕度法被介绍，它利用结构奇异值理论将系统模型和试飞数据有机结合起来进行颤振边界预测。
Pass to incorporate organically the flight test data and the system model, make use of the structured singular value theories proceed the flutter boundary estimate.
一种新的颤振分析方法——鲁棒颤振裕度法被介绍，它利用结构奇异值理论将系统模型和试飞数据有机结合起来进行颤振边界预测。
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