Results 111 to 120 of about 1,729,831 (217)

Bi- and Multistatic SAR: Potentials and Challenges [PDF]

, 2004
Bi- and multistatic synthetic aperture radar (SAR) operates with distinct transmit and receive antennas which are mounted on separate platforms. Such a spatial separation has several operational advantages which will increase the capability, reliability ...
Moreira, Alberto, Fiedler, Hauke, Krieger, Gerhard   +2 more
core  

A Review of Recent Development of Geosynchronous Synthetic Aperture Radar Technique

Remote Sensing
As the world’s first geosynchronous (GEO) orbit synthetic aperture radar (SAR) satellite, LuTan-4 was successfully launched on 13 August 2023. It was developed by the China Academy of Space Technology, with which the authors are affiliated.
Jinwei Li, Caipin Li, Xiaomin Tan, Dong You, Chongdi Duan, Sheng Zhang, Hongxing Dang, Guangting Li, Qingjun Zhang   +8 more
doaj   +1 more source

SAR and Optical Data Comparison for Detecting Co-Seismic Slip and Induced Phenomena during the 2018 M_w 7.5 Sulawesi Earthquake

Sensors, 2019
We use both Synthetic Aperture Radar (SAR) and Optical data to constrain the co-seismic ground deformation produced by the 2018 Mw 7.5 Sulawesi earthquake. We exploit data processing techniques mainly based on pixel cross-correlation approach, applied to
Marco Polcari, Cristiano Tolomei, Christian Bignami, Salvatore Stramondo   +3 more
doaj   +1 more source

A Multiangle MIMO-SAR Fusion Imaging Method Based on Improved Range Migration Algorithm and Improved Geographic Information Scale Invariant Feature Transform Algorithm

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
In order to resolve the conflict between high pulse repetition frequency (PRF) and wide-swath imaging in multiangle synthetic aperture radar (SAR), a multiangle imaging model combined with multiple-input multiple-output synthetic aperture radar (MIMO-SAR)
Fang Zhou, Zhikuan Jiao, Guoqing Shen, Mengdao Xing, Marina Gashinova   +4 more
doaj   +1 more source

Characterizing Tidal Marsh Inundation with Synthetic Aperture Radar, Radiometric Modeling, and In Situ Water Level Observations

Remote Sensing
Tidal marshes play a globally critical role in carbon and hydrologic cycles by sequestering carbon dioxide from the atmosphere and exporting dissolved organic carbon to connected estuaries.
Brian T. Lamb, Kyle C. McDonald, Maria A. Tzortziou, Derek S. Tesser   +3 more
doaj   +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  

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  

Airborne Synthetic Aperture Radar: Models, Focusing and Experiments [PDF]

, 2006
Synthetic Aperture Radar (SAR) is a remote sensing technique that allows the generation of microwave images of the Earth surface, independently of weather condition and of sun illumination.
Perna, Stefano
core   +1 more source

A Downsamplable Inverse ERMA Method for Hybrid SAR-ISAR Imaging Framework of Maneuvering Ship Target

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
For radar imaging of the maneuvering ship target, the synthetic aperture radar-inverse mapping-inverse synthetic aperture radar (SAR-IM-ISAR) framework using range migration algorithm (RMA) suffers from high computational complexity in IM and ISAR ...
Zhixin Wu, Yanbin Liu, Shuxian Dong, Yang Liu, Min Xue, Yuexin Gao, Letian Guo, Mengdao Xing   +7 more
doaj   +1 more source

One Transmitter - Two Receiver Moving Target SAR Imaging

Electrica, 2019
Synthetic Aperture Radar (SAR) imaging algorithm for the moving targets with some motion irregularities are investigated. For accurate SAR imaging of the moving targets, position and the velocity of the object according to the radar platform must be ...
Sedef Kent, Selçuk Paker
doaj   +2 more sources