为了对载重车进行平顺性优化设计，本文首先对载重车进行了模态分析、谐响应分析、随机振动分析。
In order to make the optimal design of the ride performance, firstly, the modal analysis, the harmonic response analysis and the random vibration analysis are performed.
本文给出随机振动数据处理中的两个通用优化程序，可用于识别结构的模态参数。
The paper presents two common programs of optimization for data processing in random vibration.
本文给出随机振动数据处理中的两个通用优化程序，可用于识别结构的模态参数。
The paper presents two common programs of optimization for data processing in random vibration.
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