Results 11 to 20 of about 768,249 (233)

PSF Analysis and Ground Test Results of a Novel Circular Array 3-D SAR System

Leida xuebao, 2018
Array Synthetic Aperture Radar (ASAR) system radar imaging field has gained attention because of its three-dimensional (3-D) imaging ability. A novel Circular Array SAR (CASAR) system is employed for 3-D high-resolution radar imaging to overcome the ...
Ming Jing, Zhang Xiaoling, Pu Ling, Shi Jun   +3 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

Enhancement of SAR Image Resolution with Implementation of Circular GB-SAR System

, 2013
Radars were used for surveillance and remote sensing but nowadays they handle a vast range of applications, radar imagery being one of them. The need for high resolution images was inevitable which lead to Synthetic Aperture Radar (SAR) systems. SAR plays a prominent role in remote sensing applications and geophysical studies.
Neravati, Dheeraj Nehru
core   +4 more sources

Research on Full-aspect Three-dimensional SAR Imaging Method for Complex Structural Facilities without Prior Model

Leida xuebao, 2022
SAR three-Dimensional (3D) imaging of complex structural facilities is an important and challenging issue in SAR imaging. The existing 3D SAR imaging relies on multiple channels or flights in the elevation direction, exerting high demands on the radar ...
Yun LIN, Lin ZHANG, Lideng WEI, Hanqing ZHANG, Shanshan FENG, Yanping WANG, Wen HONG   +6 more
doaj   +1 more source

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
doaj   +1 more source

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

A Sidelobe Suppression Method for Circular Ground-Based SAR 3D Imaging Based on Sparse Optimization of Radial Phase-Center Distribution

Remote Sensing, 2022
Circular ground-based SAR (GBSAR) is a new 3D imaging GBSAR with the potential of acquiring high-quality 3D SAR images and 3D deformation. However, its donut-shaped spectrum and short radius of antenna rotation cause high sidelobes on 3D curved surfaces,
Qiming Zhang, Jinping Sun, Yanping Wang, Yun Lin   +3 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

Multi-Layered Circular Dielectric Structures’ Synthetic Aperture Radar Imaging Based on Green’s Function Using Non-Uniform Measurements

Remote Sensing, 2020
The electromagnetic imaging of multi-layered circular structures can be accomplished by means of different approaches. Among these approaches, the use of synthetic aperture radar (SAR) techniques with the compensation of the Green’s function for multi ...
Baolong Wu, Guillermo Álvarez-Narciandi, Jaime Laviada   +2 more
doaj   +1 more source