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- The frequency response function includes an aerodynamic transfer function. 频率的主函数包括主动力传递函数。
- Empirical formula for the frequency response functions are proposed and applied to revise the distorted wind pressure signal.Conc... 结论由回归得到的管路频率响应函数用于对实际管路脉动风压测试结果进行修正,结果较为满意,证明本文方法的有效性。
- Several techniques are set forth in the paper for the frequency response functions (FRFs)fitting by ordinary power polynomials. 提出了用幂基多项式拟合频响函数的几点技巧。
- Furthermore, the effects of different control strategies on the frequency response function(FRF) of a cantilevered rod/ACLD system were studied. 此外,研究了不同控制策略对悬臂ACLD杆结构频响函数的影响。
- This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data. 文章提出了一种利用模态参数和由振动试验数据求得的频响函数来进行模型修正的方法。
- Frequency response function (FRF) contains abundant structural dynamic characteristics, but the high redundancy and the huge data confine its application. 结构的频响函数包含了更丰富的结构动力信息,但数据量大、冗余度高,不利于工程应用。
- The experimental results show that the modal damp rates increase, and the amplitudes of frequency response function decrease.The control strategy is effective. 实验结果表明该控制使被控模态阻尼比增加,频响函数的幅值衰减较大,有较明显的控制效果。
- In the software algorithm realization,the frequency response function(FRF)estimation,driver signal iteration,link and iteration errors also nere described. 在软件核心算法部分,介绍了所使用的频响估计算法、驱动信号迭代算法、驱动信号的连接和误差设定等问题。
- As the result of limited frequency resolution in the course of FFT and the noise,the accuracy of modal parameters identification is influenced by the frequency response function estimation. 由于FFT过程中截断及舍入等误差的存在以及噪声的影响不能完全克服;采用此方法估计的频响函数来识别模态参数;其精度受到影响.
- By which linear and non linear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper. 利用该方法对非线性频响函数进行估计,并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
- Modal test was done on a cable-stayed structure in its healthy and two damaged conditions.Curvature of the Frequency Response Function (FRF) was used to detect the location of damage. 对一拉索结构的正常状态及两种损伤状态进行了模态测试,用频响函数的曲率来进行损伤检测。
- A concept of global frequency response function(GFRF) has been presented. The MIMO modal parameter identification modal has been established,based on the weighting sum of modal shape squares. 提出了整体频响函数的新概念(GFRF).以振型平方和的形式对全部频响函数进行加权组合,建立了多输入多输出模态参数的识别模型。
- general frequency response functions 广义频率响应函数
- generalized frequency response functions (GFRF) 广义频率响应函数
- Frequency response function(FRF) 频响函数
- weighted frequency response function 加权频率响应函数
- frequency response function coupled method 频响函数合成
- frequency response function estimation 频响函数估计
- generalized frequency response function 广义频域响应函数
- generalized frequency response function (GFRF) 广义频率响应函数