本文对响应问题逆分析方法进行了研究，并进行了机床主轴轴承刚度识别。
This paper also studies inverse analysis method of response problem, and identifies stiffness of bearings of lathe spindle.
误差分析表明，如果模态试验结果具有足够的精度，用本文方法能够准确地实现结构边界支承刚度识别。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
高耸工程结构复合振动基频计算公式计算简单，精度高，特别适用于识别桥墩和各种高耸建筑的基础约束刚度。
The calculation formula presented in this paper is simple in computation, high in precision, and adaptable to identify the foundation restraints stiffness of bridge piers and all kinds of towers.
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