Based on strain mode shape (SMS), the direct index methods of damage location and degree detection are presented and founded.

提出并建立了损伤位置直接指标法、局域应变模态面积损伤程度直接指标法。

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The results show that the method of canceling noise is better, and this grounds for the bug detection and location of damage identification.

结果表明，该方法消噪效果好，为损伤检测的缺陷定位分析打下了基础。

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