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A method for analyzing electrical excitation mode of electromagnetic measurement while drilling (EM-MWD) is proposed.
本文提出一种电磁随钻测量的电激励模式的分析方法。
The Instantaneous Optimal Control(IOC) algorithm suitability for the vibration control analysis of bridges under uniform earthquake excitation is proposed based on the subspace mode analysis method.
采用子空间模态分析法建立了适合一致地震激励下桥梁振动控制分析的瞬时最优控制算法。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown excitation condition.
结果表明，采用该方法能够有效地识别出模态振型，从而弥补了复指数法在未知激励下进行模态分析的不足。
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