Results 71 to 80 of about 309 (131)

Signal reconstruction with range migration correction for high-resolution wide-swath SAR systems

, 2022
S.110-113This paper addresses signal processing for high-resolution wide-swath (HRWS) synthetic aperture radar (SAR) systems which operate with a high signal bandwidth and/or large antenna beamwidths.
Cerutti-Maori, D., Sikaneta, I., Gierull, C., Klare, J.   +3 more
core   +1 more source

A Novel Antibarrage Jamming Method for Multichannel SAR Systems Using Correlation Filtering

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
High-resolution wide-swath (HRWS) imaging in azimuth multichannel synthetic aperture radar (MC-SAR) is critical for remote sensing, yet electromagnetic jamming severely degrades image quality.
Hongtao Zhan, Shuangxi Zhang, Jin Min, Shaojie Li, Yan Feng, Shaohui Mei   +5 more
doaj   +1 more source

Performance assessment for the high resolution and wide swath (HRWS) post-Sentinel-1 SAR system [PDF]

, 2016
The next generation, post-Sentinel-1, ESA’s C-band synthetic aperture radar (SAR) system is conceived to provide simultaneously high azimuth resolution and wide swath width (HRWS). There are different ways in which the imaging capabilities of the HRWS
van Leijen, Freek, Pedersen, Leif T., Lecuyot, Arnaud, Skriver, Henning, Sanjuan-Ferrer, Maria J., Lopez-Dekker, Paco, Gabriele, Antonio, Ludwig, Michael, Lang, Oliver, Maria J. , Sanjuan-Ferrer,, Danielson, Rick, Leijen, Freek van, Nagler, Thomas, Zonno, Mariantonietta, Hanssen, Ramon   +14 more
core  

A Robust Minimum-Entropy-Based Time-Domain Algorithm for Azimuth Multichannel HRWS SAR Imaging

IEEE Access
Azimuth multichannel (AMC) synthetic aperture radar (SAR) system, utilizing digital beam forming (DBF) processing, is capable of achieving high-resolution and wide-swath (HRWS) focusing, presenting significant potential for Earth observation ...
Yuekun Wang, Long Zhuang
doaj   +1 more source

Optimization Strategies for Multi-Aperture SAR Imaging With High Performance [PDF]

, 2007
Multi-aperture synthetic aperture radar (SAR) systems enable high performance SAR imaging thus meeting the rising demands of future remote sensing applications that conventional SAR cannot fulfill.
Moreira, Alberto, Gebert, Nicolas, Krieger, Gerhard   +2 more
core  

A 3D Blur Suppression Method for High-Resolution and Wide-Swath Blurred Images Based on Estimating and Eliminating Defocused Point Clouds

Remote Sensing
Traditional single-channel Synthetic Aperture Radar (SAR) cannot achieve high-resolution and wide-swath (HRWS) imaging due to the constraint of the minimum antenna area.
Yuling Liu, Fubo Zhang, Longyong Chen, Tao Jiang   +3 more
doaj   +1 more source

High-Precision HRWS SAR Phase Error Estimation with Inaccurate Baseline: A Joint-Pixel-Based Image Subspace Approach

Remote Sensing
HRWS (high resolution and wide swath, HRWS) SAR always suffers channel phase error in the multichannel reconstruction stage and results in a lower imaging quality. The image domain error estimation method can achieve superior performance by utilizing the
Jixia Fan, Quan Chen, Jixiang Xiang, Xiaojie Ding, Wenxin Zhao, Guangcai Sun   +5 more
doaj   +1 more source

Performance Investigation on the High-Resolution Wide-Swath SAR System Operating in Multisubpulse Mode

, 2012
The High-Resolution Wide-Swath (HRWS) is the spaceborne Synthetic Aperture Radar system, promoted by the German Aerospace Centre, conceived to obtain simultaneously high spatial resolution and width swaths.
Bordoni, Federica, Federica Bordoni, Younis, Marwan, Krieger, Gerhard, Marwan Younis, Gerhard Krieger   +5 more
core   +1 more source

Multichannel Staggered SAR for High-Resolution Wide-Swath Imaging [PDF]

, 2017
In the context of state-of-the-art and next-generation spaceborne Synthetic Aperture Radar (SAR) imaging systems, such as the German Tandem-L mission proposal, a short revisit time coupled with high resolution presents itself as a requirement for the ...
Queiroz de Almeida, Felipe
core   +1 more source

A Concept for a High Performance Reflector-Based X-Band SAR [PDF]

, 2010
The success of current spaceborne Synthetic Aperture Radar (SAR) is boosting the performance requirement of next generation systems. In order to cope with the evolution of SAR the design of the new systems will need to meet higher requirements for ...
Patyuchenko, Anton, Huber, Sigurd, Moreira, Alberto, Younis, Marwan, Krieger, Gerhard   +4 more
core