Results 51 to 60 of about 4,108,289 (262)
An organisational search and rescue performance assessment for a cleaner environment
Cleaner Engineering and Technology, 2023 Malaysian search and rescue (SAR) operations play a critical role in ensuring the safety and security of citizens, visitors and assets. Due to the extensive coastline and air traffic, effective SAR operations are essential in protecting lives and ...
Che Mohd Hafizuddieen Che Mahadi +7 more
doaj +1 more source
Advanced Interferometric SAR Techniques with TanDEM-X [PDF]
, 2008 TanDEM-X is an innovative mission with a TerraSAR-X add-on satellite for high-resolution singlepass SAR interferometry. The TanDEM-X mission has the primary objective of generating a consistent, global DEM with an unprecedented accuracy according to the ...
Hajnsek, Irena +13 more
core +1 more source
Advanced Functional Materials, EarlyView.This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li +9 more
wiley +1 more source
Remote Sensing, 2022 Recently, object detection in natural images has made a breakthrough, but it is still challenging in oriented ship detection for remote sensing imagery.
Bokun He +3 more
doaj +1 more source
F-SAR – DLR’s New Multifrequency Polarimetric Airborne SAR [PDF]
, 2009 F-SAR identifies the successor of the well-known E-SAR system. The system is under development at the Microwaves and Radar Institute. The development was triggered by the demand for data being simultaneously acquired at different wavelengths and ...
Nottensteiner, Anton +4 more
core
Advanced Functional Materials, EarlyView.The analysis of optical eigenmodes in chiral liquid crystal with perpendicular or tilted helical axis, and their correspondence with the external medium, leads to an intuitive understanding of the angle and wavelength dependency of transmissive and reflective diffraction.
Ke Xu +5 more
wiley +1 more source
Bistatic TerraSAR-X/F-SAR Spaceborne-Airborne SAR Experiment: Description, Data Processing and Results [PDF]
, 2010 We report about the first X-band spaceborne-airborne bistatic SAR experiment, using the German satellite TerraSAR-X as transmitter and DLR's new airborne radar system F-SAR as receiver. The data were acquired early November 2007.
Rodriguez Cassola, Marc +3 more
core +1 more source
Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices
Advanced Functional Materials, EarlyView.This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies +2 more
wiley +1 more source
Digital Beamforming and MIMO SAR: Review and New Concepts [PDF]
, 2012 Spaceborne Synthetic Aperture Radar (SAR) is a unique tool for large scale Earth observation, but the current generation of SAR sensors suffers from some fundamental limitations with regard to their imaging and mapping capabilities.
Villano, Michelangelo +10 more
core
A Survey of Density Estimation for SAR Images [PDF]
, 2012 Modeling of synthetic aperture radar (SAR) images has been an important topic of research since the inception of SAR satellites. Many theoretical and empirical models have been presented in literature to accurately model the amplitude SAR images. The
Cui, Shiyong +4 more
core +1 more source