Results 51 to 60 of about 9,215,645 (352)

SAR imaging based on binary-phase codes signal

Dianzi Jishu Yingyong, 2022
Binary-phase codes signal is a kind of spectrum spread signals, which works very well not only in terms of detection capability and low-intercept capability but also the range and velocity resolution.
Cai Yongjun, Niu Chengxiang
doaj   +1 more source

Digital Beamforming for HRWS-SAR Imaging - System Design, Performance and Optimization Strategies [PDF]

, 2006
Multi-aperture synthetic aperture radar (SAR) systems in combination with an appropriate coherent processing of the individual aperture signals enable high resolution wide swath (HRWS) SAR imaging.
Moreira, Alberto, A. Moreira, G. Krieger, Gebert, Nicolas, Krieger, Gerhard, N. Gebert   +5 more
core   +1 more source

Unambiguous Imaging Method for GEO-LEO Bistatic SAR Based on Joint Sequential Multiframe and Multichannel Receiving Recovery

Leida xuebao, 2022
A geosynchronous (GEO) satellite can provide continuous illumination with broad beam coverage for a Low Earth Orbit (LEO) receiver, used as the transmitting station of bistatic Synthetic Aperture Radar (SAR).
Hongyang AN, Zhichao SUN, Chaodong WANG, Junjie WU, Jianyu YANG   +4 more
doaj   +1 more source

Autonomous Airborne 3D SAR Imaging System for Subsurface Sensing: UWB-GPR on Board a UAV for Landmine and IED Detection

Remote Sensing, 2019
This work presents an enhanced autonomous airborne Synthetic Aperture Radar (SAR) imaging system able to provide full 3D radar images from the subsurface.
M. García-Fernández, Yuri Alvarez-Lopez, F. Las Heras   +2 more
semanticscholar   +1 more source

Ambiguity Suppression by Azimuth Phase Coding in Multichannel SAR Systems [PDF]

, 2011
The Azimuth Phase Coding (APC) technique, proposed to suppress range ambiguities in conventional SAR systems, stands out for its low implementation complexity and its effectiveness for point and distributed ambiguities.
Bordoni, Federica, Federica Bordoni, Younis, Marwan, Krieger, Gerhard, Marwan Younis, Gerhard Krieger   +5 more
core   +1 more source

Review of Deep Learning for SAR 3D Imaging

Leida xuebao
With the increasing demands on imaging accuracy, efficiency, and robustness in modern three-Dimensional (3D) Synthetic Aperture Radar (SAR) imaging systems, the performance of traditional 3D imaging methods, such as matched filtering and compressed ...
Changhao LIU, Yan WANG, Siyu ZHAO, Anqi GAO   +3 more
doaj   +1 more source

Brief Analysis on the Development and Application of Multi-Input Multi-Output Synthetic Aperture Radar

Leida xuebao, 2014
Recently, a novel conception of Synthetic Aperture Radar (SAR) based on Multi-Input Multi-Output (MIMO) technology draws much attention for its potential advantages.
Zhou Wei, Liu Yong-xiang, Li Xiang, Ling Yong-shun   +3 more
doaj   +1 more source

Verification of Complex Image Based Sparse SAR Imaging Method on GaoFen-3 Dataset

Leida xuebao, 2020
Sparse signal processing-based Synthetic Aperture Radar (SAR) imaging, also known as sparse SAR imaging, is the main research direction of sparse microwave imaging theory.
BI Hui, ZHANG Bingchen, HONG Wen, WU Yirong   +3 more
doaj   +1 more source

Research on Configuration Constraints of Airborne Bistatic SARs

Sensors, 2022
Based on the analysis of the airborne bistatic synthetic aperture radar (SAR) imaging geometric mode, an extended nonlinear chirp scaling algorithm is employed to simulate and verify the imaging effect of the bistatic SARs.
Yidi Chen, Renwen Chen, Hao Liu, Jiapeng Guo, Yujie Wang, Junyi Zhang   +5 more
doaj   +1 more source

MIMO-SAR and the Orthogonality Confusion [PDF]

, 2012
This paper reviews radar architectures that employ multiple transmit and multiple receive channels to improve the performance of synthetic aperture radar (SAR) systems.
A. Patyuchenko, Laskowski, Piotr, M. Villano, Bordoni, Federica, A. Moreira, Krieger, Gerhard, J. Kim, Kim, Junghyo, Lopez-Dekker, Paco, Patyuchenko, Anton, F. Bordoni, Huber, Sigurd, S. Huber, Moreira, Alberto, T. Romme, Younis, Marwan, G. Krieger, P. Lopez-Dekker, Villano, Michealangelo, M. Younis, Rommel, Tobias, P. Laskowski   +21 more
core   +1 more source