The response of a time-invariant linear system subjected to mono-source random excitations also retains this feature.
在同源激励作用下，常多数线性系统的响应仍保持激励的上述特点，充分利用这一特点可以节约计算工作量。
In the analysis of reliability of system under random excitations, the spectral moments of response are very important parameters.
提出了一种新的计算弹性-粘弹性复合结构随机响应的各阶谱矩的计算方法，它是一种时域复模态分析方法。
The cushioning design problems of a non - linear system under random excitations are studied by means of the average energy method.
利用平均能量法对非线性系统在随机激励下的缓冲设计问题进行了分析研究。
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