Multilayer structural diagnosis with quasi-3D microwave imaging using ultrawideband radio frequency noiselet waveforms

Tae Hee Kim, Ram Mohan Narayanan

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Microwave radar imaging is increasingly being used in infrastructure monitoring applications due to its low cost, rapid measurement time, non-contact characteristics, and ability to penetrate nonmetallic media. An appropriate waveform design must be designed to obtain accurate information on the targets observed or the features being probed. Ultrawideband (UWB) radio frequency (RF) noiselets are excellent candidate waveforms in view of their multiresolution and interference rejection features. In this paper, a waveform optimization approach for UWB noiselet waveforms is described to achieve high peak-to-sidelobe ratio (PSLR) to enhance imaging capabilities. Synthetic aperture radar (SAR) scanning for microwave imaging is introduced after analyzing the essential microwave approaches for the multilayered structure. Image reconstruction using SAR scanning is performed for various multilayered structures and quasi-3D images of these structures are presented for nondestructive testing and evaluation (NDT & E) applications.

Original languageEnglish (US)
Pages (from-to)73-92
Number of pages20
JournalProgress In Electromagnetics Research B
Volume82
DOIs
StatePublished - Jan 1 2018

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Ultra-wideband (UWB)
radar scanning
radio frequencies
Multilayers
waveforms
Microwaves
Synthetic aperture radar
Nondestructive examination
Imaging techniques
microwaves
synthetic aperture radar
Scanning
Radar imaging
Time measurement
Image reconstruction
imaging radar
sidelobes
image reconstruction
rejection
Monitoring

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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