Detection and location of nonlinear scatterers using dort applied with pulse inversion
- Authors
- Faia, J.M.; He, Y.; Park, H.S.; Wheeler, E.; Hong, S.K.
- Issue Date
- Dec-2018
- Publisher
- Electromagnetics Academy
- Citation
- Progress in Electromagnetics Research Letters, v.80, pp.101 - 108
- Journal Title
- Progress in Electromagnetics Research Letters
- Volume
- 80
- Start Page
- 101
- End Page
- 108
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/30855
- DOI
- 10.2528/PIERL18092605
- ISSN
- 1937-6480
- Abstract
- In this paper, an experimental demonstration employing the decomposition of the time-reversal operator (known as DORT) in combination with pulse inversion is reported, allowing one to detect and selectively focus on nonlinear targets. DORT is a technique based on a multistatic configuration that separates the detected targets by means of eigendecomposition of the time reversal operator allowing for selective transmission of waves towards a target of interest. Pulse inversion is a technique that enhances harmonic responses while suppressing fundamental responses. By applying DORT with pulse inversion (PI-DORT), harmonic detection and selective transmission to detected nonlinear targets can be enhanced. The results from our experiment show that PI-DORT can effectively detect and separate nonlinear targets for selective transmission. © 2018, Electromagnetics Academy. All rights reserved.
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