A concept of global frequency response function (GFRF) has been presented. The MIMO modal parameter identification modal has been established, based on the weighting sum of modal shape squares.
提出了整体频响函数的新概念(GFRF) .以振型平方和的形式对全部频响函数进行加权组合，建立了多输入多输出模态参数的识别模型。
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