Results 51 to 60 of about 240,167 (319)
A Dual-Port Dual-Wideband Dual-Sense Circularly Polarized DRA With a Novel Feeding Mechanism
IEEE Open Journal of Antennas and PropagationA dual-wideband dual-sense circularly polarized (CP) dielectric resonator antenna (DRA) based on a novel feeding technique is investigated and demonstrated.
Li Zhang +6 more
doaj +1 more source
A Twin Spiral Planar Antenna for UWB Medical Radars [PDF]
, 2012 A planar-spiral antenna to be used in an ultrawideband (UWB) radar system for heart activity monitoring is presented. The antenna, named “twin,” is constituted by two spiral dipoles in a compact structure.
Pisa, S, Staderini, EM, Zito, GA
core +1 more source
Advanced Functional Materials, EarlyView.Dry electrode technology revolutionizes battery manufacturing by eliminating toxic solvents and energy‐intensive drying. This work details two promising techniques: dry spray deposition and polymer fibrillation. How their unique solvent‐free bonding mechanisms create uniform microstructures for thicker, denser electrodes, boosting energy density and ...
Yuhao Liang +7 more
wiley +1 more source
A Miniaturized High-Gain Multi-Beam Lens Antenna Based on Quasi-Conformal Transformation Optics
IEEE AccessThis paper presents the design of a novel multi-beam Luneburg lens antenna with specific dielectric structure and proposes a new solution for downsizing planar lens antennas.
Miao Lv +7 more
doaj +1 more source
Radar/ESM anti-bias track association algorithm based on track distance vector detection
The Journal of Engineering, 2019 To address radar/ESM track association problem in the presence of sensor biases and different targets reported by different sensors, an anti-bias track association algorithm based on track distance vectors detection is proposed according to the ...
Baozhu Li +4 more
doaj +1 more source
Servomechanism for Doppler shift compensation in optical correlator for synthetic aperture radar [PDF]
, 1980 A method and apparatus for correcting Doppler shifts in synthetic aperture radar data is described. An optical correlator for synthetic aperture radar data has a means for directing a laser beam at a signal film having radar return pulse intensity ...
Bicknell, T. J., Constaninides, N. J.
core +1 more source
Advanced Functional Materials, EarlyView.A strategic spin‐polarization suppression in Fe single‐atom catalysts is proposed to enhance electrocatalytic reduction of NO to NH3. Employing a top‐down electrospinning strategy, self‐supported FeSAC with Fe‐N3S1 coordination structure and spin‐state transition is engineered from high‐spin to low‐spin.
Jialing Song +13 more
wiley +1 more source
Truffes Detection Using Ground Penetration Radar
Pamukkale University Journal of Engineering Sciences, 2015 Honaz Mountain (Denizli-SW Turkey) has a mild and humid climate and it produces a rich flora in the area. As a natural consequence thereof, the study area offers a rich mushroom potential that is a rising economic value. In recent years, Ground Penetration Radar (GPR) is a relatively modern and effective and widely utilized technique for shallow ...
Aydın, Ali, Kaya, Ali, Akyol, Erdal
openaire +8 more sources
A dual-band wide angle coverage cavity-backed slot antenna
Journal of Information and IntelligenceA dual-band wide angle coverage cavity-backed slot antenna (WACCBSA) for Wi-Fi applications is proposed in this paper. The antenna's main structure consists of a metal cylindrical body featuring a horizontally oriented long slot on its side and an ...
Jingli Guo +4 more
doaj +1 more source
Evaluating the detection range of microwave quantum illumination radar
IET Radar, Sonar & Navigation, 2023 Based on quantum illumination (QI) protocol, microwave quantum radar has been developed, which has attracted great interest from radar researchers.
Rongyu Wei +5 more
doaj +1 more source