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本文给出在自由界面部件模态综合中应用移频技术的理论依据,证明了适当地选择移频值才能简化计算过程和保证良好的精度,并利用工程算例作了验证.
In this paper, the theoretical basis for the application of frequency shift technique in the modal synthesis of free interface components is given. It is proved that the choice of frequency shift can be simplified and the accuracy guaranteed.