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本文以DD680型大客车为例,叙述了通过模态激振试验的实测数据,运用复模态原理进行车架-骨架系统模态参数辨识的原理和方法。
Taking DD680 bus as an example, this paper describes the principle and method of modal parameter identification of frame-frame system by using complex modal principle through the measured data of modal excitation test.