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- An identification approach was researched, it estimated structural physical parameters via ambient excitation. 摘要基于连续时间模型,利用导数的近似值代替导数值,运用最小二乘法估计结构参数。
- A method of cross-point admittance based on ambient excitation to identify large engineering structures modal parameters was reported in this paper. 摘要提出了基于环境激励下,运用跨点导纳法识别大型工程结构模态参数的一种方法。
- 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]
- Modal Test of Long Span Bridges Based on Ambient Excitation 基于环境激励的大跨度桥梁模态试验
- In addition, a vibration excitation test was done for the whole lathe to verify the exactness of the parameters obtained from simulation. 最后对整个机床进行激振试验,验证了仿真参数的准确性。
- Magnetic Excitation Test System of Microcomputer 微机励磁检测系统
- Operating Modal Parameter Identification Under Ambient Excitation 基于环境激励的工作模态参数识别
- multiple-point random excitation test 自功率谱密度
- The method of impact excitation testing with Fast Fourier Transform (FFT) based on spectrum analyzer to determine the dynamic characteristics of a heald frame is introduced. 介绍了通过基于快速傅立叶变换(FFT)的谱分析确定综框的动态特性。
- In the condition of ambient excitations, the dynamic properties of towers and main spans and the tensions of the stayed cables for Yellow River Shengli cable-stayed bridge are measured. 在环境激励条件下,测试了黄河胜利大桥桥塔、主桥桥跨的基本动力特性以及斜拉索的索力。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Environmental Stress Screening and Stress Excitation Test 环境应力筛选与应力激发试验
- Study on Design of a Hydraulic Vibration Excitation Test Machine 液压激振试验台系统设计研究
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- MODAL PARAMETERS EXTRACTION WITH CROSS-CORRELATION FUNCTION UNDER AMBIENT EXCITATION 利用互相关函数进行环境激励下的模态分析
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Study of High-rise Building's Dynamic Character under Ambient Excitation by GPS Technology and Its Application 基于GPS的高层建筑环境激励动态特性研究及应用
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Experimental Modal Analysis of a Large-Span Cable-Stayed Concrete Bridge with Single Tower under Ambient Excitation 环境激励下混凝土独塔斜拉桥的实验模态分析
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。