Bridge health monitoring involves many disciplines, such as structures, computers and communications, and many subjects,such as optimum localization of sensors modal identification, system identification and error analysis and so on.
结构健康监测系统涉及许多不同的研究领域 (如结构、计算机、通讯等 ) ,需要解决多方面的问题 (如寻找传感器最优测点、先进的模态识别方法、先进的系统识别方法、误差分析等 )。
参考来源 - 桥梁结构的健康监测Relevant technology of structural test is also discussed in this paper, such as the selection of exciting methods, the advantage of hammering test, the choose of the hammer material and mass, the theory of model parameter identification .
本文还讨论了结构测试的相关技术：激励方式的选择；锤击激励的优点；锤头的材料和质量的选取；时域模态识别的原理。
参考来源 - 现役网架结构杆件特性的分析与测试During shock test modal identification to the first six orders, it is found that at 2 and 3-order mode, with frequency between 5.3326 Hz and 39.8205Hz, the shock load affects larger on the structure.
冲击试验对前6阶模态识别,第2、3阶模态,频率是在5.3326Hz～39.8205Hz之间冲击载荷对结构的影响较大。
参考来源 - 微光瞄准镜多环境试验理论与检测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文中还给出了两种方法模态识别的结果，并进行了比较和分析。
By using these two methods, the results of modal identification are analyzed and compared in this paper.
本文从理论上论证了观测响应中的噪声对ITD法模态识别精度的影响。
The effect of survey noises on the identification precision of ITD method is analyzed.
通过环境激励模态识别技术对一座中高层新结构大楼环境激励试验建模研究。
Experimental modeling of a middle-rise office building via ambient modal identification is presented.
应用推荐