Ultrasonic Phased Array Industrial Imaging Research with Compressed Sensing

Xian Yue Ouyang; Guang Zhi Dai; Ren Fa Li; Qing Guang Zeng

doi:10.4028/www.scientific.net/AMM.347-350.317

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Ultrasonic Phased Array Industrial Imaging Research with Compressed Sensing
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Ultrasonic Phased Array Industrial Imaging...

Ultrasonic Phased Array Industrial Imaging Research with Compressed Sensing

Abstract:

this study presents an eight array ultrasonic signal phased array sparse sampling experiment system based ultrasonic phased array technology and Compressed Sensing (CS). Proposed system considers recovery ultrasonic beam signal received eight phased array elements with sparse samples captured using sub-Nyquist model in CS recovery algorithm. We have the block defect detection test in the system. The test result approximated the actual block defect position. Based on block defect detection test, We compared sparse sampling value using spectrum estimation to Compressed Sensing recovery algorithm imaging, and no focus and focus detection effect, proved the phased array experiment system based on Compressed Sensing .it can greatly improve the detection signal to noise ratio (SNR) and sensitivity. So we verify the phased array focus can improve the detection ability.

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Periodical:

Applied Mechanics and Materials (Volumes 347-350)

Pages:

317-321

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.317

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Online since:

August 2013

Authors:

Xian Yue Ouyang, Guang Zhi Dai, Ren Fa Li, Qing Guang Zeng

Keywords:

Compressed Sensing, Industrial Ultrasound Imaging, Spectrum Estimation, Ultrasonic Phased Array

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