EA mounted on the either end of rotor shaft can generate impulse excitation force or simple harmonic excitation force with different frequency.

电磁激振器安装在转子的伸出端，产生脉冲激励力或不同频率的简谐激励力。

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Then, different sensitivity of latticed domes to various impulses in frequency domain is studied by applying harmonic lods.

然后利用简谐响应分析的方法探讨了结构对频域上不同频率激励荷载的的敏感程度。

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