Results 11 to 20 of about 730,674 (291)

Progress in Circular SAR Imaging Technique

Leida xuebao, 2012
Circular SAR (CSAR) is a newly developed all-directional high resolution 3D imaging mode in recent years, to satisfy the demand of finer observation. The National Key Laboratory of Science and Technology on Microwave Imaging, Institute of Electronics ...
Hong Wen
doaj   +2 more sources

Study on Geosynchronous Circular SAR

Leida xuebao, 2015
The concept of Geosynchronous Circular SAR (Geo-CSAR) is introduced in this paper. With the design of the geosynchronous orbit parameters, a near-circular satellite sub-track could be formed to enable the staring imaging mode, which supports the advanced
Hong Wen, Lin Yun, Tan Wei-xian, Wang Yan-ping, Xiang Mao-sheng   +4 more
doaj   +2 more sources

Resolution Equation for SAR Systems Synthesizing Circular Aperture

IEEE Access
The resolution of a synthetic aperture radar (SAR) system depends not only on the operating frequency range of a radar but also on the geometry. A radar system operating at MHz frequencies facilitates SAR resolution to the meter (m) level with a linear ...
Viet T. Vu, Yevhen Ivanenko, Vanja Lindberg, Mats I. Pettersson   +3 more
doaj   +4 more sources

Circular SAR Incoherent 3D Imaging with a NeRF-Inspired Method

Remote Sensing, 2023
Circular synthetic aperture radar (CSAR) has the potential to form 3D images with single-pass single-channel radar data, which is very time-efficient.
Hanqing Zhang, Yun Lin, Fei Teng, Shanshan Feng, Bing Yang, Wen Hong   +5 more
doaj   +3 more sources

Circular SAR Optimization Imaging Method of Buildings

Leida xuebao, 2015
The Circular Synthetic Aperture Radar (CSAR) can obtain the entire scattering properties of targets because of its great ability of 360° observation. In this study, an optimal orientation of the CSAR imaging algorithm of buildings is proposed by applying
Wang Jian-feng, Lin Yun, Guo Sheng-long, Yu Ling-juan, Hong Wen   +4 more
doaj   +2 more sources

Statistical Models of Speckle for Circular SAR Imaging

Leida xuebao, 2015
Circular Synthetic Aperture Radar (CSAR) is a recently developed all-directional high-resolution imaging mode, which is efficient in dealing with the target recognition, area monitoring, and three-dimensional reconstruction because of the acquisition of ...
Guo Xiao-yang, Li Yang, Lin Yun, Guo Sheng-long, Hong Wen   +4 more
doaj   +2 more sources

Curved Synthetic Aperture Radar for Near-Field Terahertz Imaging

IEEE Photonics Journal, 2023
High resolution imaging techniques will play an essential role in the future smart imaging applications to provide potential solutions for accurate detection, monitoring and classification of the target.
Mavis Gezimati, Ghanshyam Singh
doaj   +1 more source

Airborne Circularly Polarized Synthetic Aperture Radar

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In this article, airborne broadband (maximum 400 MHz bandwidth) C-band circularly polarized synthetic aperture radar (SAR) is proposed and developed for further study on airborne compact polarized synthetic aperture radar (CP SAR) system using circular ...
Josaphat Tetuko Sri Sumantyo, Ming Yam Chua, Cahya Edi Santosa, Good Fried Panggabean, Tomoro Watanabe, Bambang Setiadi, Fransiskus Dwikoco Sri Sumantyo, Kengo Tsushima, Karna Sasmita, Agus Mardiyanto, Edy Supartono, Eko Tjipto Rahardjo, Gunawan Wibisono, Muh Aris Marfai, Retnadi Heru Jatmiko, h Sudaryatno, Taufik Hery Purwanto, Barandi Sapta Widartono, Muhammad Kamal, Daniele Perissin, Steven Gao, Koichi Ito   +21 more
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High-Resolution Sea Surface Current Vector Field Inversion Based on Circular Scanning SAR

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The Doppler scatterometer is an instrument used in real aperture radar in conjunction with a circular scanning antenna and has wide swath and multiangle characteristics.
Xiaonan Yao, Xiaoqing Wang, Lixia Liu, Shubo Liu, Xiang Su, Haifeng Huang, Zheng Lu   +6 more
doaj   +1 more source

Moving target detection and characterization with circular SAR [PDF]

2010 IEEE Radar Conference, 2010
In this work, we examine ground target detection and characterization from radar data, which incorporates a modelbased optimization method called dynamic logic (DL). We apply our methodology to a prototype airborne radar platform called Gotcha, developed by the Air Force Research Laboratory/Sensors Directorate/Automatic Target Recognition Division in ...
Perlovsky, Leonid, Ilin, Roman, Deming, Ross, Linnehan, Rob, Lin, Freeman   +4 more
openaire   +1 more source