According to the contribution of each node to DRE, the structure da mage could be located without the comparison with the perfect finger print of th e structure.

• 根据结构损伤前后的残余能量差的变化可以判断损伤的发生与否及其损伤位置,它不需要结构的完好指纹作为比较,适用于在役结构的无损检测和状态监测。