Damage detection and modelupdating require measured modal data from modal testing.
损伤检测与模型修正都需要依据模态测试获取模态参数。
参考来源 - 海洋平台结构物损伤检测与模型修正方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
But this time measurements and modal data are only collected for the interior surface of the structure.
但这次只采集结构内部平面的测量结果和模态数据。
The modal data of the motorcycle frame are obtained through tests carried out on the tested motorcycle.
通过对试验车的大量测试，获得该车架的模态数据。
What is presented in this paper is a method of finite element model updating via design parameters using test modal data.
本文提出了一种设计参数型的有限元模型修正方法。
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