College;
of;
Science;
&;
Engineering,;
Jinan;
University,;
Guangzhou;
510632,;
China;
Institute;
of;
Applied;
Mechanics,;
Taiyuan;
University;
of;
Technology,;
Taiyuan;
030024,;
China;
The;
Key;
Laboratory;
of;
Disaster;
Forecast;
and;
Control;
in;
Engineering,;
Ministry;
of;
Education;
of;
China,;
Jinan;
University,;
Guangzhou;
510632,;
China;
小波变换矩阵; 裂纹识别; 悬臂梁; 阶梯; 矩阵分析; 识别方法; 小波分析; 振动模式;