Wideband synthetic aperture beamforming for through-the-wall imaging.

Wideband synthetic aperture beamforming for through-the-wall imaging.

Through-the-wall radar imaging (TWRI) and sensing is emerging as an important area of research and development [1]–[6]. A TWRI system provides enhanced situational awareness in operational environments for a variety of civilian and military applications. In particular, a TWRI system facilitates real...

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Main Authors: Amin, Moeness G., Ahmad, Fauzia.
Format: Villanova Faculty Authorship
Language:English
Published: 2008
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spelling Wideband synthetic aperture beamforming for through-the-wall imaging.
Amin, Moeness G.
Ahmad, Fauzia.
Through-the-wall radar imaging (TWRI) and sensing is emerging as an important area of research and development [1]–[6]. A TWRI system provides enhanced situational awareness in operational environments for a variety of civilian and military applications. In particular, a TWRI system facilitates realtime information gathering and intelligent decision-making about the contents of the indoor scene. Compared to other radar applications, TWRI faces unique challenges due to signal propagation through walls. The composition and thickness of the wall, its dielectric constant, and the angle of incidence affect the strength and characteristics of the propagating signal. The change in propagation speed and wave refraction must be taken into account for effective and accurate imaging. Failure to do so would cause undesirable errors in determining the nature and locations of the targets behind walls. In this article, we present a synthetic aperture beamforming approach that uses ray perturbation theory to account for the effects of transmission through a single uniform wall.
2008
Villanova Faculty Authorship
vudl:173789
IEEE Signal Processing Magazine, July 2008.
en
dc.title_txt_mv Wideband synthetic aperture beamforming for through-the-wall imaging.
dc.creator_txt_mv Amin, Moeness G.
Ahmad, Fauzia.
dc.description_txt_mv Through-the-wall radar imaging (TWRI) and sensing is emerging as an important area of research and development [1]–[6]. A TWRI system provides enhanced situational awareness in operational environments for a variety of civilian and military applications. In particular, a TWRI system facilitates realtime information gathering and intelligent decision-making about the contents of the indoor scene. Compared to other radar applications, TWRI faces unique challenges due to signal propagation through walls. The composition and thickness of the wall, its dielectric constant, and the angle of incidence affect the strength and characteristics of the propagating signal. The change in propagation speed and wave refraction must be taken into account for effective and accurate imaging. Failure to do so would cause undesirable errors in determining the nature and locations of the targets behind walls. In this article, we present a synthetic aperture beamforming approach that uses ray perturbation theory to account for the effects of transmission through a single uniform wall.
dc.date_txt_mv 2008
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dc.source_txt_mv IEEE Signal Processing Magazine, July 2008.
dc.language_txt_mv en
author Amin, Moeness G.
Ahmad, Fauzia.
spellingShingle Amin, Moeness G.
Ahmad, Fauzia.
Wideband synthetic aperture beamforming for through-the-wall imaging.
author_facet Amin, Moeness G.
Ahmad, Fauzia.
dc_source_str_mv IEEE Signal Processing Magazine, July 2008.
format Villanova Faculty Authorship
author_sort Amin, Moeness G.
dc_date_str 2008
dc_title_str Wideband synthetic aperture beamforming for through-the-wall imaging.
description Through-the-wall radar imaging (TWRI) and sensing is emerging as an important area of research and development [1]–[6]. A TWRI system provides enhanced situational awareness in operational environments for a variety of civilian and military applications. In particular, a TWRI system facilitates realtime information gathering and intelligent decision-making about the contents of the indoor scene. Compared to other radar applications, TWRI faces unique challenges due to signal propagation through walls. The composition and thickness of the wall, its dielectric constant, and the angle of incidence affect the strength and characteristics of the propagating signal. The change in propagation speed and wave refraction must be taken into account for effective and accurate imaging. Failure to do so would cause undesirable errors in determining the nature and locations of the targets behind walls. In this article, we present a synthetic aperture beamforming approach that uses ray perturbation theory to account for the effects of transmission through a single uniform wall.
title Wideband synthetic aperture beamforming for through-the-wall imaging.
title_full Wideband synthetic aperture beamforming for through-the-wall imaging.
title_fullStr Wideband synthetic aperture beamforming for through-the-wall imaging.
title_full_unstemmed Wideband synthetic aperture beamforming for through-the-wall imaging.
title_short Wideband synthetic aperture beamforming for through-the-wall imaging.
title_sort wideband synthetic aperture beamforming for through-the-wall imaging.
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language English
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