SAR Ground Moving Target Indication Based on Relative Residue of DPCA Processing [PDF]
Sensors, 2016 For modern synthetic aperture radar (SAR), it has much more urgent demands on ground moving target indication (GMTI), which includes not only the point moving targets like cars, truck or tanks but also the distributed moving targets like river or ocean ...
Jia Xu +5 more
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A Three-Stage Inter-Channel Calibration Approach for Passive Radar on Moving Platforms Exploiting the Minimum Variance Power Spectrum [PDF]
Sensors, 2020 Research in passive radar has moved its focus towards passive radar on moving platforms in recent years with the purpose of moving target indication and ground imaging via synthetic aperture radar.
Philipp Wojaczek +5 more
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Moving Target Indication for Dual-Channel Circular SAR/GMTI Systems [PDF]
Sensors, 2019 In a dual-channel circular synthetic aperture radar (CSAR) and ground moving target indication (GMTI) system, the antenna baseline is not parallel with the flight path due to a yaw angle.
Laihe Wang +3 more
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Phase Mismatch Calibration for Dual-Channel Sliding Spotlight SAR-GMTI
Remote Sensing, 2022 This article investigates channel phase mismatch calibration during the application of displaced-phase-center antenna (DPCA) in dual-channel sliding spotlight synthetic aperture radar (SAR) for ground moving target indication (GMTI). In sliding spotlight
Zhenning Zhang +4 more
doaj +2 more sources
Comparison of Raw Data-Based and Complex Image-Based Sparse SAR Imaging Methods [PDF]
Sensors, 2019 Sparse signal processing has already been introduced to synthetic aperture radar (SAR), which shows potential in improving imaging performance based on raw data or a complex image.
Zhilin Xu +4 more
doaj +2 more sources
First Spaceborne SAR-GMTI Experimental Results for the Chinese Gaofen-3 Dual-Channel SAR Sensor [PDF]
Sensors, 2017 In spaceborne synthetic aperture radar (SAR) sensors, it is a challenging task to detect ground slow-moving targets against strong clutter background with limited spatial channels and restricted pulse repetition frequency (PRF).
Chenghao Wang +2 more
doaj +2 more sources
Multichannel High Resolution Wide Swath SAR Imaging for Hypersonic Air Vehicle with Curved Trajectory [PDF]
Sensors, 2018 Synthetic aperture radar (SAR) equipped on the hypersonic air vehicle in near space has many advantages over the conventional airborne SAR. However, its high-speed maneuvering characteristics with curved trajectory result in serious range migration, and ...
Rui Zhou +3 more
doaj +2 more sources
Motion compensation using joint-sub-band phase unwrapping for synthetic aperture sonar [PDF]
JASA Express Letters, 2022 Displaced phase center antenna (DPCA) micro-navigation has been widely applied in the motion compensation of synthetic aperture sonars (SASs). Estimating the time delay is the most important step for DPCA-based motion compensation.
Shiping Chen +6 more
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Multichannel synthetic aperture radar ground moving target indication has been widely used and get great attention nowadays. Traditional adaptive methods like space-time adaptive processing (STAP) need to calculate and search the maximum of the test ...
Zhihao Wang +5 more
doaj +1 more source
IEEE Access, 2021 Traditional deceptive jamming methods effectively generate false targets against three-channel synthetic aperture radar ground moving target indication (SAR GMTI).
Xin Chang +3 more
doaj +1 more source