Results 41 to 50 of about 75,234 (123)
IET Radar, Sonar & NavigationSpace situational awareness systems primarily focus on detecting and tracking space objects, providing crucial positional data. However, understanding the complex space domain requires characterising satellites, often involving estimation of bus and ...
Friso G. Heslinga +4 more
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Trajectory and Resource Optimization for UAV Synthetic Aperture Radar [PDF]
arXiv, 2022 In this paper, we study the trajectory and resource optimization for lightweight rotary-wing unmanned aerial vehicles (UAVs) equipped with a synthetic aperture radar (SAR) system. The UAV's mission is to perform SAR imaging of a given area of interest (AoI).
arxiv
IET Image Processing, 2021 Deep learning methods have recently displayed ground‐breaking results for synthetic aperture radar image change detection problem. However, they still face the challenges of intrinsic noise and the difficulty of acquiring labeled data.
Sanae Attioui, Said Najah
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Synthetic Aperture Radar (SAR) Meets Deep Learning
Remote Sensing, 2023 Synthetic aperture radar (SAR) is an important active microwave imaging sensor [...]
Tianwen Zhang +2 more
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Millimeter-Wave Circular Synthetic Aperture Radar Imaging [PDF]
arXiv, 2020 In this paper, we present a high resolution microwave imaging technique using a compact and low cost single channel Frequency Modulated Continuous Wave (FMCW) radar based on Circular Synthetic Aperture Radar (CSAR) technique. We develop an algorithm to reconstruct the image from the raw data and analyse different aspects of the system analytically ...
arxiv
Geomatics, Natural Hazards & Risk, 2019 The Datong basin is one of the complex geologic environments in China. Several faults are distributed in the basin, and a number of hidden faults have been discovered within the basin. Ground fissures (GFs) and land subsidence occur in this region.
Chengsheng Yang +5 more
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Distributed Aperture Coherence-synthetic Radar Technology
Leida xuebao, 2017 The distributed aperture coherence-synthetic radar could accomplish long-range and high-precision detection performance according to include multi-unit radars and energy synthesize in space.
Lu Yaobing, Gao Hongwei, Zhou Baoliang
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Parametric Sparse Representation and Its Applications to Radar Sensing
Leida xuebao, 2016 Sparse signal processing has been utilized to the area of radar sensing. Due to the presence of unknown factors such as the motion of the targets of interest and the error of the radar trajectory, a predesigned dictionary cannot provide the optimally ...
Li Gang, Xia Xiang-Gen
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CLASSIFIER FUSION OF HIGH-RESOLUTION OPTICAL AND SYNTHETIC APERTURE RADAR (SAR) SATELLITE IMAGERY FOR CLASSIFICATION IN URBAN AREA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014 This study concerned with fusion of synthetic aperture radar and optical satellite imagery. Due to the difference in the underlying sensor technology, data from synthetic aperture radar (SAR) and optical sensors refer to different properties of the ...
T. Alipour Fard, M. Hasanlou, H. Arefi
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Remote SensingThis paper investigates the airborne synthetic aperture radar via outfield experiments based on carrier-free ultra-wideband signals with fifth-order Gaussian pulses with imaging using the backward projection algorithm. Typical blanket jamming is selected
Yue Yuan +4 more
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