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   颤振边界预测 在 航空航天科学与工程 分类中 的翻译结果: 查询用时:0.193秒
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颤振边界预测
相关语句
  flutter boundary prediction
    Real-time Flutter Boundary Prediction System for Flutter Test with Progressive Variable Speed
    连续变速颤振试验的实时颤振边界预测系统
短句来源
    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。
短句来源
    According to the principle of the flutter test and the characteristics of the signal, the two time-frequancy field filtering algorithms are led to research on the flutter boundary prediction of the subcritical response of the aeroplane structure. Through the joint time-frequency analysis (JTFA) and the time-frequency field filtering, the effective signal and the model parameter are picked up and the flutter boundary is predicted. The desired result is achieved.
    根据颤振试验的原理和观测信号特点,将所提出的两种时频域滤波算法引入到了飞机结构亚临界响应分析的颤振边界预测研究当中,即通过联合时频分析(JTFA)与时频域滤波提取有效信号再进行模态参数提取与颤振边界预测,取得了预期的效果。
短句来源
    The real-time flutter boundary prediction system predicts the critical speed of flutter during the course of airplane′s flutter test.
    实时颤振边界预测系统主要用于完成飞机颤振试验过程中对颤振临界速度的预测。
短句来源
  “颤振边界预测”译为未确定词的双语例句
    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
短句来源
    A kind of new flutter analysis method (robust flutter margin method) were introduced. 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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Adapting the self-adaption time-frequency analysis method, through the theoretical analysis and digital simulation the study of relative numeral and applied characteristics has been done in this paper. According to the principle of the flutter test and the characteristics of the signal, the two time-frequancy field filtering algorithms are led to research on the flutter boundary prediction of the subcritical response of the aeroplane structure. Through the joint time-frequency analysis (JTFA) and the time-frequency...

Adapting the self-adaption time-frequency analysis method, through the theoretical analysis and digital simulation the study of relative numeral and applied characteristics has been done in this paper. According to the principle of the flutter test and the characteristics of the signal, the two time-frequancy field filtering algorithms are led to research on the flutter boundary prediction of the subcritical response of the aeroplane structure. Through the joint time-frequency analysis (JTFA) and the time-frequency field filtering, the effective signal and the model parameter are picked up and the flutter boundary is predicted. The desired result is achieved.

采用自适应时频分析方法并通过理论分析和数字仿真完成了相应的数值特性与应用特性研究。根据颤振试验的原理和观测信号特点,将所提出的两种时频域滤波算法引入到了飞机结构亚临界响应分析的颤振边界预测研究当中,即通过联合时频分析(JTFA)与时频域滤波提取有效信号再进行模态参数提取与颤振边界预测,取得了预期的效果。

In this paper, a new method of multi - scale edge detection of image signal is presented based on lifting wavelet. The results show us that the method can be used to many kind of biorthogonal wavelets with the advatages of fast speed and higher precision. According to the features and requirements of flutter test signal, the method for edge detection is used to pickup the major information of signal image, and a new technique is brought out for the flutter boundary prediction.

这里基于提升小波理论重点研究了图像边缘检测问题,提出了一种新的图像多尺度边缘检测方法,该检测方法适用于多种线性或非线性双正交小波,具有运算速度快、检测精度高等特点;并基于此边缘检测技术,研究了飞机结构颤振的边界预测问题,给出了一种新的稳定性参数估计方法。

A new method,roubust flutter margin method,of determining flutter boundary is introduced.It incorporates organically the flight test data and the flutter theory model by the structured singular value theories,to process the flutter boundary estimate.The simulated experimental result demonstraes that the method is feasible.

介绍了一种新的确定颤振边界的方法——鲁棒颤振裕度法。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。仿真结果表明,该方法是可行的。

 
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