group arrival time 中文意思是什麼
group arrival time
解釋
群到時-
Secondly, wavelet transform is applied to compute the arrival time of the lamb wave group velocity experiments results demonstrate that wavelet transform can improve the precision of damage localization
其次,本文採用小波分析方法提取lamb波群速度的到達時間,獲得了比閾值法及互相關方法更高的精度。
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