Results 11 to 20 of about 3,154,280 (172)
Geosynchronous synthetic aperture radar: design and applications [PDF]
, 2009 Synthetic Aperture Radar (SAR) imaging from geosynchronous orbit has significant potential advantages over conventional low-Earth orbit (LEO) radars, but also challenges to overcome.
Bruno, Davide
core +7 more sources
Broadband Achromatic Programmable Electromagnetic Camouflage via Fluidic-Accessible Metasurface. [PDF]
Adv Sci (Weinh)A fluidic access metasurface enables dynamic, broadband electromagnetic illusions. By physically reconstructing conductive patterns with liquid metal, the metasurface achieves real‐time, pixel‐level control over phase dispersion. This allows for the programmable generation of arbitrary strong scattering point arrays, effectively deceiving high ...
Liu S +14 more
europepmc +2 more sources
Video SAR Moving Target Detection Using Dual Faster R-CNN
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Video synthetic aperture radar (SAR) has shown great potentials in detection and tracking of slow ground moving targets. The classical shadow-aided detection was applied in video SAR, and most recently, the deep learning approach has been developed for ...
Liwu Wen, Jinshan Ding, Otmar Loffeld
doaj +1 more source
Ground Moving Target Tracking and Refocusing Using Shadow in Video-SAR
Remote Sensing, 2020 Stable and efficient ground moving target tracking and refocusing is a hard task in synthetic aperture radar (SAR) data processing. Since shadows in video-SAR indicate the actual positions of moving targets at different moments without any displacement ...
Xiaqing Yang +6 more
doaj +1 more source
Joint Track-Before-Detect Algorithm for High-Maneuvering Target Indication in Video SAR
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Moving target shadows continuously appear in the sequential images produced by video synthetic aperture radar (SAR), which conducts research on shadow-based detection and tracking of moving targets. This article addresses a typical shadow-based detection
Siqi Qin +3 more
doaj +1 more source
Remote Sensing, 2022 In this paper, the super-resolution structural point cloud matching (S2-PCM) framework is proposed for video synthetic aperture radar (SAR) inter-frame registration, which consists of a feature recurrence super-resolution network (FRSR-Net), structural ...
Zhikun Xie +5 more
doaj +1 more source
Synthetic aperture radar remote sensing for landfill monitoring [PDF]
, 2007 Despite today’s intensive efforts directed at the recycling and recovery of solid wastes, the controlled disposal of refuse into land remains an important and necessary means of effective waste management.
Ottavianelli, Giuseppe
core +7 more sources
Focusing Algorithms and Moving Target Detection Based on Video SAR
Leida xuebao, 2020 Video Synthetic Aperture Radar (SAR) provides dynamic information about an observation scene in a video to the human eye, which can be very useful for the real-time detection of the ground maneuvering targets.
DING Jinshan
doaj +1 more source
Study on Acceleration Algorithm for Raw Data Simulation of High Resolution Squint Spotlight SAR [PDF]
Jisuanji kexue, 2022 Raw data simulation is the front-end work of synthetic aperture radar(SAR) system development,which is of great significance.For high resolution squint spotlight SAR,time-domain raw data simulation is usually used,but its simulation efficiency is very ...
GUO Zheng-wei, FU Ze-wen, LI Ning, BAI Lan
doaj +1 more source
A Full-Aperture Frequency Scaling Algorithm for Processing Dechirped Sliding Spotlight SAR Data
IEEE Access, 2023 This paper proposes a full-aperture method for processing sliding spotlight synthetic aperture radar (SAR) data with dechirp-on-receive. The frequency scaling algorithm (FSA) efficiently processes the dechirped signals because the range cell migration ...
Young-Geun Kang, Seong-Ook Park
doaj +1 more source