摘要：【中文】本发明公开了一种超声导波多分辨率聚焦成像管道检测方法及装置，属于无损检测技术领域。根据管道的几何尺寸和材料力学参数，计算SH0模态超声导波的频散特性；在此基础上，采用低频超声导波快速扫查可能存在缺陷的管道区域，大致定位缺陷；在低频超声导波快速扫查图像缺陷附近区域细化网格，进行高频精细详查；融合低频快速扫查和高频精细详查信息生成超声导波多分辨率聚焦图像。本发明解决了超声导波检测分辨率与检测效率之间的矛盾，为管道进行高效率的超声导波聚焦成像检测奠定了基础。 【EN】The invention discloses an ultrasonic guided wave multi-resolution focusing imaging pipeline detection method and device, and belongs to the technical field of nondestructive detection. Calculating the frequency dispersion characteristic of the SH0 modal ultrasonic guided wave according to the geometric dimension and the material mechanics parameters of the pipeline; on the basis, a pipeline area which possibly has defects is quickly scanned by adopting low-frequency ultrasonic guided waves, and the defects are roughly positioned; carrying out high-frequency fine detailed inspection on a refined grid in a region near the low-frequency ultrasonic guided wave rapid scanning image defect; and fusing low-frequency quick scanning and high-frequency fine detailed information to generate an ultrasonic guided wave multi-resolution focusing image. The invention solves the contradiction between the ultrasonic guided wave detection resolution and the detection efficiency, and lays a foundation for the high-efficiency ultrasonic guided wave focusing imaging detection of the pipeline.