Improved passive SAR imaging with DVB-T transmissions

Yue Fang; George Atkinson; Alp Sayin; Jie Chen; Pengbo Wang; Michail Antoniou; Mike Cherniakov

doi:10.1109/TGRS.2020.2972156

Improved passive SAR imaging with DVB-T transmissions

Yue Fang, George Atkinson, Alp Sayin, Jie Chen, Pengbo Wang, Michail Antoniou, Mike Cherniakov

Electronic, Electrical and Systems Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

410 Downloads (Pure)

Abstract

This article investigates passive synthetic aperture radar (SAR) image formation using Terrestrial Digital Video Broadcast (DVB-T) transmitters of opportunity and an airborne receiver. The proposed airborne system does not use separate channels for direct and reflected signal reception. The proposed image formation algorithm suppresses artifacts due to the presence of the direct signal in radar echo data using modified CLEAN method and accounts for unknown irregularities in airborne platform motion using a map-drift autofocus (MDA) technique. The algorithms are theoretically derived and experimentally confirmed via an appropriate airborne campaign, and their experimental performance is measured.

Original language	English
Article number	9003519
Pages (from-to)	1-11
Number of pages	11
Journal	IEEE Transactions on Geoscience and Remote Sensing
Volume	58
Issue number	7
Early online date	19 Feb 2020
DOIs	https://doi.org/10.1109/TGRS.2020.2972156
Publication status	E-pub ahead of print - 19 Feb 2020

Keywords

SAR autofocus
SAR image formation
Terrestrial Digital Video Broadcast (DVB-T)
digital video broadcasting
passive synthetic aperture radar (SAR)
radar imaging
receivers
signal processing algorithms
spaceborne radar
synthetic aperture radar

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Cite this

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title = "Improved passive SAR imaging with DVB-T transmissions",

abstract = "This article investigates passive synthetic aperture radar (SAR) image formation using Terrestrial Digital Video Broadcast (DVB-T) transmitters of opportunity and an airborne receiver. The proposed airborne system does not use separate channels for direct and reflected signal reception. The proposed image formation algorithm suppresses artifacts due to the presence of the direct signal in radar echo data using modified CLEAN method and accounts for unknown irregularities in airborne platform motion using a map-drift autofocus (MDA) technique. The algorithms are theoretically derived and experimentally confirmed via an appropriate airborne campaign, and their experimental performance is measured.",

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AU - Sayin, Alp

AU - Chen, Jie

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AU - Antoniou, Michail

AU - Cherniakov, Mike

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Improved passive SAR imaging with DVB-T transmissions

Abstract

Keywords

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