Distributed passive radar sensor networks with near-space vehicle-borne receivers
Distributed passive radar sensor networks with near-space vehicle-borne receivers
- Author(s): W-.Q. Wang
- DOI: 10.1049/iet-wss.2011.0178
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- Author(s): W-.Q. Wang 1
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View affiliations
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Affiliations:
1: School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, People's Republic of China
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Affiliations:
1: School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, People's Republic of China
- Source:
Volume 2, Issue 3,
September 2012,
p.
183 – 190
DOI: 10.1049/iet-wss.2011.0178 , Print ISSN 2043-6386, Online ISSN 2043-6394
In this study, we propose a distributed passive radar sensor network with near-space vehicle-borne receivers for regional remote sensing surveillance. Note that near-space is referred to the altitude range between 20 and 100 km is too high for airplanes, but too low for satellites. Near-space vehicles can offer a wide coverage like satellite and a fast maneuverability like airplane. The distributed passive radar sensor networks system operation mode, imaging coverage and imaging resolution are analysed. As there is a big speed difference between the transmit and receive platforms, we propose a multi-beamforming and scan-on-receive combined approach to extend the limited imaging coverage. Since the conventional motion compensation technique may be not reachable for the system due to its limited load capability, an overlapped subaperture-based motion compensation algorithm is proposed. The effectiveness of the approaches is validated by numerical simulation results.
Inspec keywords: remote sensing; military radar; military computing; radar imaging; motion compensation; search radar; passive radar
Other keywords:
Subjects: Optical, image and video signal processing; Computer vision and image processing techniques; Military engineering computing; Radar equipment, systems and applications; Geophysical techniques and equipment; Military detection and tracking systems
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