volume | PIER Journals

Abstract

This paper presents an alternate microwave imaging system that greatly reduces design and operation complexities compared to traditional imaging systems. At the heart of this novel system lies an electronically reconfigurable beam-scanning reflectarray antenna. The high tuning capability of the reflectarray provides us a broad steering range of ±60˚. The beam is steered across this range and the scattered field is recorded. The collected data are used for image reconstruction by means of the time reversal signal processing technique. Experimental results of the detection of various dielectric targets are presented.

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Dr. Amin Tayebi

Dr. Pavel Roy Paladhi

Dr. Lalita Udpa

Dr. Satish Udpa