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研究多自由度系统冲击激励与响应之间的关系，应用模态分析理论和概率统计理论，提出了多自由度系统ＳＲＳＳ冲击谱计算方法，并将该方法成功地应用到工程实例中。
The relationship between impact excitation and response of multi-degree-of-freedom system was studied. Based on the modal analysis theory and probability statistics theory, the calculation method of SRSS shock spectrum for multi-degree-of-freedom system was proposed. The method was successfully applied to engineering cases.