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Performance evaluation of the frequency-domain DORT imaging method with UWB radar for a finite-sized target

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2 Author(s)
Takuya Sakamoto ; Graduate School of Informatics, Kyoto University, Department of Communications and Computer Engineering, Yoshida-Honmachi, Sakyo-ku, 606-8501, Japan ; Toru Sato

Ultra wide-band (UWB) radar imaging systems are a promising field of research as they cover a variety of applications. Among all UWB radar imaging methods, the time-reversal (TR) method enables high-resolution imaging in a multi path environment. Conventional TR methods have been applied to antenna array systems while our previous work proposed a type of TR method, namely the frequency-domain Decomposition de Operateur de Retournement Temporel (DORT) method, designed for a low-cost single antenna based system. Because the frequency-domain DORT method was developed assuming a point-like target, the performance of the method for a finite-sized target is unknown. In this study, we investigate numerically the performance of the frequency-domain DORT method by applying it to finite sized targets and evaluating the quality of the resultant images.

Published in:

Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International

Date of Conference:

24-29 July 2011