Paper Info
Title
Ultrawideband Microwave Sensing and Imaging Using Time-Reversal Techniques: A Review
Abstract
This paper provides an overview of some time-reversal (TR) techniques for remote sensing and imaging using ultrawideband (UWB) electromagnetic signals in the microwave and millimeter wave range. The TR techniques explore the TR invariance of the wave equation in lossless and stationary media. They provide superresolution and statistical stability, and are therefore quite useful for a number of remote sensing applications. We first discuss the TR concept through a prototypal TR experiment with a discrete scatterer embedded in continuous random media. We then discuss a series of TR-based imaging algorithms employing UWB signals: DORT, space-frequency (SF) imaging and TR-MUSIC. Finally, we consider a dispersion/loss compensation approach for TR applications in dispersive/lossy media, where TR invariance is broken.
Year
DOI
Venue
2009
10.3390/rs1030466
REMOTE SENSING
Keywords
Field
DocType
time-reversal,superresolution,ultrawideband electromagnetic waves,time-domain DORT method,space-frequency (SF) imaging,TR-MUSIC method,short-time Fourier transform,dispersion compensation
Dispersion (optics),Microwave,Extremely high frequency,Lossy compression,Short-time Fourier transform,Optics,Remote sensing application,Wave equation,Geology,Lossless compression
Journal
Volume
Issue
Citations 
1
3
15
PageRank 
References 
Authors
1.33
21
2
Name
Order
Citations
PageRank
Mehmet Emre Yavuz1151.33
Fernando L. Teixeira29716.97