Considering the incompleteness of measured structural mode shapes, the practical complete modal space theory is used to eliminate the influence of modal truncation error.
考虑到所测的结构模态是不完备的，应用完备模态空间理论将未测的结构高阶模态用等效高阶模态来代替从而消除模态截断误差的影响。
Considering the incompleteness of measured structural mode shapes, the practical complete modal space theory is used to eliminate the influence of modal truncation error.
考虑到所测的结构模态是不完备的，应用完备模态空间理论将未测的结构高阶模态用等效高阶模态来代替从而消除模态截断误差的影响。
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