MICROWAVE NEAR-FIELD IMAGING IN REAL TIME
Date of original webcast: Tuesday, April 10, 2018
Duration: 1 hour
Summary
In the last decade, we have witnessed dramatic decrease in the price and size of microwave electronics along with the advent of the radio-on-a-chip (RoC), the software-defined radio (SDR), and the single-chip radars. This has spurred unprecedented growth in applications such as imaging, sensing and detection. From automotive radar to medical diagnostics and concealed-weapon detection, microwave imaging and detection define the next wireless revolution. We will introduce the methods of microwave imaging, which allow to “see” inside optically opaque objects. We start with a brief summary of the models used to describe the wave propagation inside the imaged object and how these models establish a relationship between the object’s electrical properties and the microwave measurements. We will then discuss how these properties can be deduced from the measurements and presented in the form of 3D images. As an illustration, we will then briefly dive into the inner workings of one prominent imaging method, namely, microwave holography.
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Speakers
Natalia K. Nikolova
Natalia K. Nikolova (IEEE S’93–M’97–SM’05–F’11) received the Dipl. Eng. (Radioelectronics) degree from the Technical University of Varna, Bulgaria, in 1989, and the Ph.D. degree from the University of Electro-Communications, Tokyo, Japan, in 1997. From 1998 to 1999, she held a Postdoctoral Fellowship of the Natural Sciences and Engineering Research Council of Canada (NSERC) at two Canadian universities, Dalhousie University in Halifax and McMaster University in Hamilton. In 1999, she joined the Department of Electrical and Computer Engineering at McMaster University, where she is currently a Professor. Her research interests include inverse scattering, microwave imaging, as well as computer-aided analysis and design of high-frequency structures and antennas. Prof. Nikolova has authored more than 270 refereed manuscripts and 5 book chapters as well as the monograph “Introduction to Microwave Imaging” (Cambridge University Press 2017). She is also the co-author of a book on microwave and millimeter-wave holographic imaging (IEEE-Wiley, 2019). She has delivered 47 invited lectures around the world on the subjects of microwave imaging and computer-aided electromagnetic analysis and design.
Prof. Nikolova held a Canada Research Chair in High-frequency Electromagnetics from 2008 to 2018. She is a Fellow of the IEEE and a Fellow of the Canadian Academy of Engineering (CAE). She served as an IEEE Distinguished Microwave Lecturer from 2010 to 2013.
Michael C. Hamilton
Dr. Michael C. Hamilton is an Associate Professor in the Electrical and Computer Engineering Department at Auburn University and the Assistant Director of the Alabama Microelectronics Science and Technology Center.