混凝土基桩超声波层析成像技术优化

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Optimization of ultrasonic tomography technology for concrete pile foundation

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

图 2 波源点与次级源点的位置关系

Fig.2 Positional relationship between source point and sub-level source point