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Sensors 2016, 16(9), 1441; doi:10.3390/s16091441

Single-Side Two-Location Spotlight Imaging for Building Based on MIMO Through-Wall-Radar

1
College of Information Science and Technology, Chengdu University of Technology, Chengdu 610059, China
2
School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
*
Author to whom correspondence should be addressed.
Academic Editor: Assefa M. Melesse
Received: 30 March 2016 / Revised: 28 August 2016 / Accepted: 5 September 2016 / Published: 7 September 2016
(This article belongs to the Section Remote Sensors)
View Full-Text   |   Download PDF [530 KB, uploaded 7 September 2016]   |  

Abstract

Through-wall-radar imaging is of interest for mapping the wall layout of buildings and for the detection of stationary targets within buildings. In this paper, we present an easy single-side two-location spotlight imaging method for both wall layout mapping and stationary target detection by utilizing multiple-input multiple-output (MIMO) through-wall-radar. Rather than imaging for building walls directly, the images of all building corners are generated to speculate wall layout indirectly by successively deploying the MIMO through-wall-radar at two appropriate locations on only one side of the building and then carrying out spotlight imaging with two different squint-views. In addition to the ease of implementation, the single-side two-location squint-view detection also has two other advantages for stationary target imaging. The first one is the fewer multi-path ghosts, and the second one is the smaller region of side-lobe interferences from the corner images in comparison to the wall images. Based on Computer Simulation Technology (CST) electromagnetic simulation software, we provide multiple sets of validation results where multiple binary panorama images with clear images of all corners and stationary targets are obtained by combining two single-location images with the use of incoherent additive fusion and two-dimensional cell-averaging constant-false-alarm-rate (2D CA-CFAR) detection. View Full-Text
Keywords: through-wall-radar imaging; wall layout mapping; stationary target detection; spotlight imaging; MIMO through-wall-radar imaging; wall layout mapping; stationary target detection; spotlight imaging; MIMO
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Jia, Y.; Zhong, X.; Liu, J.; Guo, Y. Single-Side Two-Location Spotlight Imaging for Building Based on MIMO Through-Wall-Radar. Sensors 2016, 16, 1441.

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