您要查找的是不是：
- modal parameter estimation 模态参数识别
- Abstract: The empirical mode decomposition (EMD) combined with the random decrement technique (RDT) was pro-posed for structural modal parameter identification. 摘要结合南京长江大桥结构健康监测信号，提出将经验模态分解(EMD)与随机减量技术(RDT)相结合进行结构模态参数识别的方法。
- LI Zhongfu, HUA Hongxing, SONG Hanwen, et al. Operating modal parameter identification under ambient excitation [J]. Journal of Shanghai Jiaotong University, 2001(8)：1 167-1 171. 李中付;华宏星;宋汉文;等.;基于环境激励的工作模态参数识别[J]
- Also, the CRB of parameter estimation of LFM under normal gauss circumstance is carried out and a real low boun... 另外推导出了一般高斯环境下的LFM参数估计的CRB界,为一般高斯环境下的估计的参数的方差提供实际下界。
- Abstract: The modal parameter identification was contrastively carried out to test the components of AZ91D magnesium alloy and A380 aluminum alloy with the same structure. 摘 要: 采用多参考最小二乘复频法对具有相同结构的AZ91D镁合金试件和A380铝合金试件进行模态参数识别。
- The appro-aches of recognition, determining order, parameter estimation and examination of th-ese models are presented. 给出了这三种模型的识别、定阶、参数估计和检验方法； 讨论了某些非平稳模糊随机时间序列；
- 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.
- For the problem of PPS parameter estimation, the DPT method for PPS parameter estimation is introduced. 针对多项式相位信号的参数估计问题，介绍了基于DPT的PPS信号参数估计的方法；
- Keywords: VBARX, system identification, state space model, modal parameters. 关键词：VBARX、系统识别、状态空间、模态参数。
- Baum-Welch algorithm is often made to optimize parameter in parameter estimation problem. 在参数估计问题中常常要用Baum-Welch重估计算法来优化参数。
- An abridged algorithm of 2D hidden Markov chain model and its parameter estimation method are made. 针对现有的二维隐马氏模型算法给出了一种简化算法及参数估计方法。
- Levenberg-Marquardt algorithm can also be used to solve the nonlinear inverse problem of the parameter estimation. 遗传算法是一种相对较新的用于最优化估计的方法,也可以用于求解反问题。
- Nonlinear parameter estimation approach can also be used to converse the formation permeability. 可以采用非线性参数估计的方法反演地层的渗透率;
- Marchesi with which we make use of it in the parameter estimation of the gray model. Marchesi创造的一种曲线拟合技术，可以用于GM模型的参数估计中。
- It confines the function of the SHM system. Therefore, the further research of modal parameter identification (MPI) and DI method adapting the need of on-line SHM system has the important theoretical significance and engineering practical value. 因此，进一步深入研究能适应大型土木工程结构实时健康监测系统需要的模态参数识别和损伤识别方法具有重要的理论意义和工程实际应用价值。
- In this paper,the modal parameter is obtained from the datas of random vibration test of a trussed frame,and comparison with the results of the modal test is given.The feasibility of the i... 然后以桁架结构为例,通过随机振动试验数据求得模态参数,并与模态试验的结果相比较,证明该方法的可行性。
- Genetic Parameter Estimation and Analysis on Improvement Effect of High-Yielding Gutta-percha Clones Associate with Eucommia ulmoides Oliv. 杜仲高产胶无性系遗传参数估计与改良效果分析。
- The change can be represented in terms of either the modal parameters or the structural parameters. 文中将柔度投影法和遗传算法相结合，提出一种基于不完整模态数据的结构损伤定位和定量评估的两阶段法。
- The modal parameters of the sub-soiling shovel were identified by signal analysis software. 用信号分析软件进行深松铲的模态参数识别。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
