Results 1 to 10 of about 41,746 (176)

Deep Analysis of Imaging Characteristics of Spaceborne SAR Systems as Affected by Antennas Using 3D Antenna Pattern [PDF]

Sensors
Spaceborne Synthetic Aperture Radar (SAR) has become an indispensable tool for environmental monitoring, offering all-weather, day-and-night imaging capabilities.
Wei Shi, Heqing Huang, Wenjun Gao, Huaian Zhou, Hua Jiang   +4 more
doaj   +2 more sources

A Note on Visual Semantics in SAR 3D Imaging

Leida xuebao, 2022
Conceptually speaking, Synthetic Aperture Radar (SAR) microwave vision 3D imaging refers to fusing visual semantics into the SAR 3D imaging process to enhance the 3D imaging quality.
Zhanyi HU
doaj   +2 more sources

3D SAR Imaging Method Based on Learned Sparse Prior

Leida xuebao, 2023
The development of 3D Synthetic Aperture Radar (SAR) imaging is currently hampered by issues such as high data dimension, high system complexity, and low imaging processing efficiency.
Mou WANG, Shunjun WEI, Rong SHEN, Zichen ZHOU, Jun SHI, Xiaoling ZHANG   +5 more
doaj   +2 more sources

Joint Multichannel Motion Compensation Method for MIMO SAR 3D Imaging [PDF]

International Journal of Antennas and Propagation, 2015
The multiple-input-multiple-output (MIMO) synthetic aperture radar (SAR) system with a linear antenna array can obtain 3D resolution. In practice, it suffers from both the translational motion errors and the rotational motion errors.
Ze-min Yang, Meng-dao Xing, Guang-cai Sun, Zheng Bao   +3 more
doaj   +2 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   +2 more sources

SARMV3D-1.0: Synthetic Aperture Radar Microwave Vision 3D Imaging Dataset

Leida xuebao, 2021
Three-dimensional (3D) imaging is one of the leading trends in the development of Synthetic Aperture Radar (SAR) technology. The current SAR 3D imaging system mainly includes tomography and array interferometry, both with drawbacks of either long ...
Xiaolan QIU, Zekun JIAO, Lingxiao PENG, Jiankun CHEN, Jiayi GUO, Liangjiang ZHOU, Longyong CHEN, Chibiao DING, Feng XU, Qiulei DONG, Shouye LYU   +10 more
doaj   +1 more source

Key Technology and Preliminary Progress of Microwave Vision 3D SAR Experimental System

Leida xuebao, 2022
Three-Dimensional (3D) Synthetic Aperture Radar (SAR) imaging has considerable application potential in steep-terrain mapping and target recognition in complex environments and is an important development direction in the current SAR field.
Xiaolan QIU, Zekun JIAO, Zhenli YANG, Yao CHENG, Bei LIN, Yitong LUO, Wei WANG, Yongwei DONG, Liangjiang ZHOU, Chibiao DING   +9 more
doaj   +1 more source

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

Elevation Extraction from Spaceborne SAR Tomography Using Multi-Baseline COSMO-SkyMed SAR Data

Remote Sensing, 2022
SAR tomography (TomoSAR) extends SAR interferometry (InSAR) to image a complex 3D scene with multiple scatterers within the same SAR cell. The phase calibration method and the super-resolution reconstruction method play a crucial role in 3D TomoSAR ...
Lang Feng, Jan-Peter Muller, Chaoqun Yu, Chao Deng, Jingfa Zhang   +4 more
doaj   +1 more source

Three-dimensional Imaging Using the Electromagnetic Vortex Synthetic Aperture Radar

Leida xuebao, 2021
The ElectroMagnetic Vortex (EMV) wave is named after the rotation around the wave propagation axis. This electromagnetic characteristic is called the Orbital Angular Momentum (OAM).
Kun LYU, Hui MA, Hongwei LIU
doaj   +1 more source