Single-channel bidirectional receiving and transmitting ultrasonic guided wave pipeline monitoring system and imaging method
An ultrasonic guided wave and monitoring system technology is applied in the analysis of solids using sonic/ultrasonic/infrasonic waves, material analysis using sonic/ultrasonic/infrasonic waves, measurement devices, etc. Achieve the effect of long monitoring distance and high imaging accuracy
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[0032] This embodiment provides a single-channel two-way transmitting and receiving ultrasonic guided wave pipeline monitoring system, such as figure 1 , comprising an annular excitation sensor array 5, a first annular receiving sensor array 4-1, a second annular receiving sensor array 4-2, a signal generation module 8, a signal acquisition and transmission module 2, a data processing module 3, a power amplification module 7 and Pre-amplification module 1, wherein:
[0033] The annular excitation sensor array 5 is circumferentially installed on the detected pipeline 6, and the first annular receiving sensor array 4-1 and the second annular receiving sensor array 4 are respectively circumferentially installed on both sides of the annular excitation sensor on the detected pipeline 6. -2, the annular excitation sensor array 5 is connected to the signal generation module 8, the signal generation module 8 generates a signal and generates an ultrasonic guided wave signal through the...
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