Improved polyreference time domain method for modal identification using local or global noise remov

来源 :中国科学:物理学、力学、天文学英文版 | 被引量 : 0次 | 上传用户:zhangbaichi001
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形式的鉴定涉及估计形式的参数,例如形式的频率,抑制比率,和模式形状,从测量数据的一个结构的系统。在吵闹的推动反应信号与多重输入联系了,输出地点被测量了的条件下面,这研究的主要目的是为基于 polyreference 时间域(PTD ) 改进形式的鉴定使用本地人或全球噪音移动技术方法。当传统的 PTD 方法改进形式的参数评价由时过去指定吸收噪音的计算模型顺序,这份报纸建议把实际系统顺序用作计算模型顺序并且在执行形式的参数评价算法以前拒绝许多噪音的一条途径。二条噪音移动途径被调查:一次把噪音从一个信号移开的一
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