该方法仅需进行一次系统矩阵的分解就可获得高精度的多个复振型导数。
Finally, many complex mode shape derivatives of high accuracy can be obtained by decomposing system matrices only once.
为了避免这样的误差，可以采用文中推荐的基于复振型的完全平方组合(CCQC)方法。
In order to avoid such errors, adopting complex complete quadratic combination (CCQC) method based on complex modes is a good solution.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
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。
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。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown exci…
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。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown exci…
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