Results 51 to 60 of about 42,931 (308)
IEEE Access, 2020 A novel compact high-efficient circularly polarized conical horn antenna is realized with Wire Electrical Discharge Machining (EDM) technique operating at 300 GHz for 6G wireless communications is presented.
Basem Aqlan +3 more
doaj +1 more source
Novel horn antenna reduces side lobes, improves radiation pattern [PDF]
, 1964 A horn antenna, combining two propagation modes at selected power ratios, reduces side lobes, and improves the radiation characteristics.
Potter, P. D.
core +1 more source
Navigating the Ethereal Tightrope: The Nanogenerator Manipulates Neurons for Immune Equilibrium
Advanced Science, EarlyView.This review explores how nanogenerators modulate neuroimmune responses, offering innovative strategies for treating neurological disorders. By interfacing with neural pathways, they enable precise control of immune activity, especially via vagus nerve stimulation.
Jia Du +5 more
wiley +1 more source
Robust Design of 3D-Printed 6–18 GHz Double-Ridged TEM Horn Antenna
Applied Sciences, 2018 A robust design of a 3D-printed 6–18 GHz double-ridged TEM horn antenna is proposed in this paper. The designed TEM horn antenna has two parts: an adaptor and a horn aperture.
Sungwoo Lee +4 more
doaj +1 more source
Advanced Science, EarlyView.This study presents a novel “in vivo–in vitro” therapeutic strategy for spinal cord injury by leveraging magnetically responsive piezoelectric nanomaterials. These nanomaterials enable targeted delivery of localized electrical stimulation at the injury site through noninvasive external magnetic actuation, thereby promoting axonal regeneration and ...
Zhihang Xiao +9 more
wiley +1 more source
A Reconfigurable and Steerable Horn Antenna Using Plasma Dielectric Slabs for Controllable Gain and Beam Steering [PDF]
فصلنامه علوم و فناوری فضاییThis paper presents a novel approach for designing a reconfigurable and steerable antenna utilizing plasma dielectric slabs along the aperture of a pyramidal horn antenna.
Jaafar Bazrafshan +3 more
doaj +1 more source
Advanced Science, EarlyView.This work provides a multifunctional programmable transmissive metasurface with phase and amplitude manipulation capability in the sub‐6G band. By applying different coding strategies, the proposed metasurface can realize vortex beam generation, holographic imaging under phase coding mode, and multi‐beam forming in phase‐amplitude joint coding mode ...
Hao Tian Shi +8 more
wiley +1 more source
Angewandte Chemie, EarlyView.This study reports a new hole‐transporting material (WD03) designed via molecular engineering to regulate defect passivation and energy‐level alignment in perovskite solar cells (PSCs). The propeller‐shaped structure ensures balanced charge transport and film quality. Consequently, WD03‐based devices deliver a high open‐circuit voltage of 1.194 V under
Guang Shao +17 more
wiley +2 more sources
A novel planar antenna array for a ground-based synthetic aperture radar [PDF]
Serbian Journal of Electrical Engineering, 2019 A MIMO GB-SAR system called MELISSA was put in place to monitor landslides in Italy and the sinking of the Costa Concordia cruise liner in France. It comprises 12 pyramidal horn antennas placed in a linear geometry for transmission, and these ...
Vincent Shweta +4 more
doaj +1 more source
Highly-efficient horn/reflector antenna [PDF]
, 1975 Antenna has beam efficiency of 96 percent.
Green, K. A.
core +1 more source