A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.

A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.

In the through-the-wall radar imaging applications, errors in wall parameters cause targets to be imaged away from their true positions. The shifts of target locations depend on the estimation errors in the wall thickness and dielectric constant as well as the target locations with respect to the an...

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Main Authors: Wang, Genyuan., Amin, Moeness.
Format: Villanova Faculty Authorship
Language:English
Published: 2005
Online Access:http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:173093
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spelling A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
Wang, Genyuan.
Amin, Moeness.
In the through-the-wall radar imaging applications, errors in wall parameters cause targets to be imaged away from their true positions. The shifts of target locations depend on the estimation errors in the wall thickness and dielectric constant as well as the target locations with respect to the antenna array. In this paper, we propose a novel technique that enables proper imaging to be performed with unknown wall characteristics. In this technique, the imaging is performed for different sets of the assumed wall parameters at different standoff distances from the wall. For each set of wall parameters, the combined image for different standoff distances is obtained. A focusing metric is then applied to determine the wall characteristics corresponding to the maximum sharpness of the image. The proposed standoff-based imaging technique has several advantages in practical use, including safety, covertness, and rapid acquisition time.
2005
Villanova Faculty Authorship
vudl:173093
Proceedings of the Eighth International Symposium on Signal Processing and its Applications, Sydney, Australia, August 2005.
en
dc.title_txt_mv A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
dc.creator_txt_mv Wang, Genyuan.
Amin, Moeness.
dc.description_txt_mv In the through-the-wall radar imaging applications, errors in wall parameters cause targets to be imaged away from their true positions. The shifts of target locations depend on the estimation errors in the wall thickness and dielectric constant as well as the target locations with respect to the antenna array. In this paper, we propose a novel technique that enables proper imaging to be performed with unknown wall characteristics. In this technique, the imaging is performed for different sets of the assumed wall parameters at different standoff distances from the wall. For each set of wall parameters, the combined image for different standoff distances is obtained. A focusing metric is then applied to determine the wall characteristics corresponding to the maximum sharpness of the image. The proposed standoff-based imaging technique has several advantages in practical use, including safety, covertness, and rapid acquisition time.
dc.date_txt_mv 2005
dc.format_txt_mv Villanova Faculty Authorship
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dc.source_txt_mv Proceedings of the Eighth International Symposium on Signal Processing and its Applications, Sydney, Australia, August 2005.
dc.language_txt_mv en
author Wang, Genyuan.
Amin, Moeness.
spellingShingle Wang, Genyuan.
Amin, Moeness.
A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
author_facet Wang, Genyuan.
Amin, Moeness.
dc_source_str_mv Proceedings of the Eighth International Symposium on Signal Processing and its Applications, Sydney, Australia, August 2005.
format Villanova Faculty Authorship
author_sort Wang, Genyuan.
dc_date_str 2005
dc_title_str A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
description In the through-the-wall radar imaging applications, errors in wall parameters cause targets to be imaged away from their true positions. The shifts of target locations depend on the estimation errors in the wall thickness and dielectric constant as well as the target locations with respect to the antenna array. In this paper, we propose a novel technique that enables proper imaging to be performed with unknown wall characteristics. In this technique, the imaging is performed for different sets of the assumed wall parameters at different standoff distances from the wall. For each set of wall parameters, the combined image for different standoff distances is obtained. A focusing metric is then applied to determine the wall characteristics corresponding to the maximum sharpness of the image. The proposed standoff-based imaging technique has several advantages in practical use, including safety, covertness, and rapid acquisition time.
title A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
title_full A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
title_fullStr A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
title_full_unstemmed A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
title_short A novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
title_sort novel technique to overcome wall ambiguities in through-the-wall radar imaging applications.
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language English
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