基于超声导波的螺栓轴向应力测量方法
杨宇1(
),杨昌群2,赵勃3,4()
),杨昌群2,赵勃3,4()
Measurement method of bolt axial stress based on ultrasonic guided waves
Yu YANG1(),Changqun YANG2,Bo ZHAO3,4()
),Changqun YANG2,Bo ZHAO3,4()
图17. 基于EWT的超声导波回波实验信号模态分量的频谱图（M36×385螺栓）
Fig.17. Spectrum diagram of modal component of ultrasonic guided wave echo experimental signal based on EWT (M36×385 bolt)
