Results 51 to 60 of about 3,054,526 (166)

Experimental Performance Investigation of Digital Beamforming on Synthetic Aperture Radar [PDF]

, 2008
In this paper, we present the experimental results of a Digital Beam Forming (DBF) Synthetic Aperture Radar (SAR) performance on the purpose of the High- Resolution Wide-Swath (HRWS) SAR concept.
Junghyo Kim, Younis, Marwan, Wiesbeck, Werner, Werner Wiesbeck, Kim, Junghyo, Marwan Younis   +5 more
core   +1 more source

Performance Investigation on Scan-On-Receive and Adaptive Digital Beam-Forming for High-Resolution Wide-Swath Synthetic Aperture Radar [PDF]

, 2009
The work investigates the performance of the Smart Multi-Aperture Radar Technique (SMART) Synthetic Aperture Radar (SAR) system for high-resolution wide-swath imaging based on Scan-on-Receive (SCORE) algorithm for receive beam steering.
Bordoni, Federica, Younis, Marwan, Gebert, Nicolas, Krieger, Gerhard, Makhoul Varona, Eduardo   +4 more
core  

Are Pixel Intensities Proportional To Radar Cross Section In SAR Images? [PDF]

, 2012
Radar cross section has long been the measurement quantity of choice to describe the radar reflectivity of point targets in calibrated synthetic aperture radar (SAR) images.
Döring, Björn J., Schwerdt, Marco, Marco Schwerdt, Bjorn J. Doring   +3 more
core   +1 more source

Terahertz-ViSAR-based Imaging of Passive Jamming Objects

Leida xuebao
Imaging of passive jamming objects has been a hot topic in radar imaging and countermeasures research, which directly affects the detection and recognition capabilities of radar targets.
Lei FAN, Qi YANG, Hongqiang WANG, Jun YI
doaj   +1 more source

Siam-Sort: Multi-Target Tracking in Video SAR Based on Tracking by Detection and Siamese Network

Remote Sensing, 2022
Shadows are widely used in the tracking of moving targets by video synthetic aperture radar (video SAR). However, they always appear in groups in video SAR images.
Hui Fang, Guisheng Liao, Yongjun Liu, Cao Zeng   +3 more
doaj   +1 more source

Remote Sensing Video Tracking: Current Status, Challenges, and Future

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
With the rapid advancement of remote sensing technology, the acquisition and processing of remote sensing video data, including high-resolution satellite, hyperspectral, and synthetic aperture radar video, have become key research areas in remote sensing.
Fang Liu, Jiahao Wang, Licheng Jiao, Jie Zhang, Hao Wang, Shuo Li, Lingling Li, Puhua Chen, Xu Liu, Wenping Ma, Shuang Wang, Shuyuan Yang, Xiangrong Zhang, Yaoyang Du, Qianyue Bao, Long Sun, Biao Hou   +16 more
doaj   +1 more source

Interferometric baseline performance estimations for multistatic synthetic aperture radar configurations derived from GRACE GPS observations [PDF]

, 2006
Recent studies have demonstrated the usefulness of global positioning system (GPS) receivers for relative positioning of formation-flying satellites using dual-frequency carrier-phase observations. The accurate determination of distances or baselines
D'Amico, Simone, Kohlhase, A. O., Kroes, R.   +2 more
core   +1 more source

Advanced Synthetic Aperture Radar Based on Digital Beamforming and Waveform Diversity [PDF]

, 2008
This paper introduces innovative SAR system concepts for the acquisition of high resolution radar images with wide swath coverage from spaceborne platforms.
Alberto Moreira, Moreira, Alberto, Nicolas Gebert, Younis, Marwan, Gebert, Nicolas, Krieger, Gerhard, Gerhard Krieger, Marwan Younis   +7 more
core   +1 more source

Semi-supervised Video Synthetic Aperture Radar Shadow Tracking Based on Physics-aware Spectral Spatial Attention and Kinematic Constraints

Leida xuebao
Moving target shadow tracking in Video Synthetic Aperture Radar (Video SAR) faces significant challenges, including strong speckle noise interference, substantial nonrigid target deformation, and a scarcity of supervised training samples.
Senhao GAO, Xiaqing YANG, Jun SHI, Guolong CUI, Junjie WU   +4 more
doaj   +1 more source

Accurate Wide Angle SAR Imaging Based on LS-CS-Residual

Sensors, 2019
Wide angle synthetic aperture radar (WASAR) receives data from a large angle, which causes the problem of aspect dependent scattering. L 1 regularization is a common compressed sensing (CS) model.
Zhonghao Wei, Bingchen Zhang, Yirong Wu
doaj   +1 more source