混凝土基桩超声波层析成像技术优化

王珂,吴君涛,于喆,项驰轩,王奎华

Optimization of ultrasonic tomography technology for concrete pile foundation

Ke WANG,Jun-tao WU,Zhe YU,Chi-xuan XIANG,Kui-hua WANG

图 6 修正波速相对值图像（经db7小波四层分解与重构）

Fig.6 Image of modified relative value of wave velocity (four-level decomposition and reconstruction using db7 wavelet)