Designing and signal processing of intelligent inspection pig applying ultrasonic A-scan

@article{Tianlu2005DesigningAS,
  title={Designing and signal processing of intelligent inspection pig applying ultrasonic A-scan},
  author={Chen Tianlu and Que Peiwen and Jin Tao and Zhang Zhigang},
  journal={IEEE Ultrasonics Symposium, 2005.},
  year={2005},
  volume={3},
  pages={1484-1487}
}
-An ultrasonic inspection system is designed to inspect the damage state of Chinese pipelines. The architecture, hardware configuration, and signal processing strategy are discussed. The system can climb at the speed of 15-20 mm/s in pipelines with the diameter from 150 mm to 350 mm. 128 ultrasonic transducers and several kinds of environmental sensors are used. Wavelet neural network is used to extract the characters of detected defects. Five assessment models and modified D-S evidence theory… CONTINUE READING
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