Results 91 to 100 of about 3,736,067 (190)

Multi-Channel ScanSAR for High-Resolution Ultra-Wide-Swath Imaging [PDF]

, 2008
Multi-channel radar systems enable to overcome the inherent limitation of conventional synthetic aperture radar (SAR). An example is the combination of digital beamforming on receive in elevation with multi-aperture SAR signal reconstruction in azimuth ...
Moreira, Alberto, Gebert, Nicolas, Krieger, Gerhard   +2 more
core  

Synthetic aperture radar demonstration kit for signal processing education [PDF]

, 2007
A Synthetic Aperture Radar scale model has been developed to improve signal processing teaching. Based on low frequency ultrasound transmission, it is a low cost demonstration kit.
Chaumette, Eric, Nouals, Claude, Besson, Olivier, Olivier Besson, Mouton, Bernard, Eric Chaumette, Francois Vincent, Claude Nouals, Bernard Mouton, Vincent, François   +9 more
core   +1 more source

Ultra Wide Swath Imaging With Multi-Channel SAR Systems [PDF]

, 2008
Multi-channel radar systems allow for overcoming the inherent limitation of conventional synthetic aperture radar (SAR). An example is the combination of digital beamforming on receive in elevation with multi-aperture SAR signal reconstruction in azimuth
Bordoni, Federica, Moreira, Alberto, Younis, Marwan, Gebert, Nicolas, Krieger, Gerhard   +4 more
core  

Adaptive Resource Scheduling Algorithm for Multi-Target ISAR Imaging in Radar Systems

Remote Sensing
Inverse synthetic-aperture radar (ISAR) can achieve precise imaging of targets, which enables precise perception of battlefield information, and it has become one of the most important tasks for radar systems.
Huan Yao, Hao Lou, Dan Wang, Yijun Chen, Ying Luo   +4 more
doaj   +1 more source

The Staggered SAR concept: Imaging a wide continuous swath with high resolution [PDF]

, 2013
Staggered SAR is an innovative synthetic aperture radar (SAR) concept, based on the continuous variation of the pulse repetition interval (PRI). This concept allows high-resolution imaging of a wide continuous swath without the need for a long antenna ...
Villano, Michelangelo, Moreira, Alberto, Krieger, Gerhard   +2 more
core  

OAM-radar imaging: A review

Defence Technology
Due to the spiral phase wavefront of vortex electromagnetic waves (VEMW), there will exist the orbital angular momentum (OAM) in the VEMW, which supplies additional spatial dimensional for the information process.
Rui Li, Liulin Li, Hongping Zhou, Zhongyi Guo   +3 more
doaj   +1 more source

Advanced Digital Beamforming Concepts for High Performance Synthetic Aperture Radar (SAR) Imaging [PDF]

, 2009
This paper reviews advanced multi-channel SAR system concepts for the imaging of wide swaths with high resolution. Several novel system architectures employing both direct radiating arrays and reflector antennas fed by a digitial array are introduced ...
Patyuchenko, Anton, Huber, Sigurd, Bordoni, Federica, Moreira, Alberto, Younis, Marwan, Gebert, Nicolas, Krieger, Gerhard   +6 more
core  

An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform

IEEE Access
This study resolves defocusing artifacts in conventional Range-Doppler (RD) algorithms for Inverse Synthetic Aperture Radar (ISAR) imaging of maneuvering targets by introducing a multi-synchrosqueezing transform (MSST)-based high-resolution imaging ...
Ting Zhao, Chengxiang Zhang, Yu Zheng, Jishen Liang   +3 more
doaj   +1 more source

Calibration Issue in SMART Synthetic Aperture Radar Based on Scan-On-Receive [PDF]

, 2009
A new spaceborne Synthetic Aperture Radar (SAR) system based on SCan-On-REceive (SCORE) algorithm has been recently proposed in order to overcome the trade-off between spatial resolution and swath wide of current SAR systems. The compound architecture of
Bordoni, Federica, Younis, Marwan, Krieger, Gerhard   +2 more
core  

Research on an inverse synthetic aperture radar imaging algorithm based on non-convex regularization model

Xibei Gongye Daxue Xuebao
Inverse synthetic aperture radar(ISAR) is widely used in military and civilian fields because of its ability to image non-cooperative maneuvering targets.
ZHAO Yanan, YE Fangjie, WANG Chao, YANG Fengyuan, ZHU Feng   +4 more
doaj   +1 more source