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Performance of ultrasonic imaging with frequency-domain SAFT

Authors
Publisher
Canadian Acoustical Association / Association canadienne d'acoustique
Publication Date
Keywords
  • Ultrasonic Imaging
  • Algorithms
  • Computational Methods
  • Data Processing
  • Fourier Transforms
  • Frequency Domain Analysis
  • Problem Solving
  • Signal To Noise Ratio
  • Steel
  • Stress Corrosion Cracking
  • Time Domain Analysis
  • Beam Detection
  • Penetrant Testing (Pt)
  • Ultrasound Generation
Disciplines
  • Computer Science

Abstract

The defect detection using ultrasonic imaging with frequency-domain SAFT (F-SAFT) is discussed. The F-SAFT provides an accurate and time-efficient algorithm for 3-D reconstruction. F-SAFT allows data processing in the 3-D Fourier space using angular spectrum method. It facilitates synchronization of ultrasonic signals scattered back in the different directions. F-SAFT when combined with ultrasonic imaging is found to be efficient in detecting inclusion in steel slabs.

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