Modal Parameter Identification Algorithm Based on the Rational Fraction of Transfer Function
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摘要: 为降低多参考点模态参数识别过程中系数矩阵的计算精度损失,利用传递函数有理分式模型,在正交多项式识别算法的基础上提出一种改进的模态参数识别方法,并给出该算法的实现流程和稳定图的建立方法;通过实测算例对所提出的方法进行验证。结果表明,该方法有效地识别模态参数,并简化参数的计算过程,提高识别效率。该结论将对采用模态参数识别结构的完整性研究提供借鉴。
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