Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the invers
Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the invers
摘要针对混凝土超声波层析成像结果不唯一和稳定性差的问题，首先依据超声波在混凝土中的传播特点，在反演算法中引入物理意义明确的自然权矩阵，对走时较小的射线和射线较密的成像单元加以重权。