Results 71 to 80 of about 464,477 (298)

Circularly Co-Polarized Full-Duplex Horn Antenna with Twisted Dielectric Polarizer

open access: yes
A novel conical horn antenna for full-duplex wireless communication with a dielectric polarizing insert and a flare-angle change is presented. Both orthogonal linear polarizations of the circular waveguide feed, caring transmitter and receiver signals ...
Budimir, D., Jankovic, U.
core   +1 more source

Surface roughness impact of 3D Ti-alloy printed WR-10 waveguide and rectangular horn antenna at W-band (75-110 GHz)

open access: yesMicro and Nano Systems Letters
To investigate the effect of the surface roughness of 3D-metal-printed sub-THz components, the WR-10 3-inch-long waveguide and 24 dBi rectangular horn antenna were 3D-metal-printed using a titanium alloy powder and a high-resolution 3D metal printer. The
Cheolbok Kim   +6 more
doaj   +1 more source

Design of an airborne dual-polarized tripel stacked patch antenna for broadband SAR application in P-band [PDF]

open access: yes, 2006
The development of a P-band antenna for airborne SAR application is presented. Wide band operation, static electrical antenna beam pointing and small size were key parameters of this antenna array design.
Gabler, Bernd   +3 more
core  

Design Principles of Electrocatalysts for Industrial‐Scale Water Electrolysis

open access: yesAdvanced Energy Materials, EarlyView.
This Review distills electrocatalyst design for industrial‐scale water electrolysis into integrated principles linking active‐site engineering, phase and lattice modulation, interfacial microenvironment regulation and mass‐transport control. By connecting catalyst families with HER/OER mechanisms and practical operating demands, it outlines pathways ...
Hong Tang, Ce Cui, John Wang
wiley   +1 more source

Shorted TEM Horn Antenna for GPR Applications

open access: yes, 2021
In this study, a novel TEM horn antenna design is introduced for Ground Penetrating Radar (GPR) applications. TEM horn antennas are mostly used in GPR for the advantages of high gain and power capability and wide bandwidth.
Uysal, Alican   +2 more
core   +1 more source

Design and Characterization of a Dual‐Mode Soft Robotic Flapping Propeller With Pneumatic Stiffness Modulation

open access: yesAdvanced Intelligent Systems, EarlyView.
A novel soft robotic propeller overcomes traditional efficiency‐flexibility tradeoffs via a hybrid pneumatic‐cable actuation strategy. This architecture enables active stiffness modulation with dual‐mode locomotion: tunable biomimetic swimming and earthworm‐inspired wriggling for confined spaces.
Jiazi Geng   +6 more
wiley   +1 more source

Compact H-Plane CLAF-SIW Horn Antenna With Phase Front Correction

open access: yesIEEE Access
This work presents an H-plane contactless air-filled substrate-integrated waveguide (CLAF-SIW) horn antenna, whose directivity is enhanced by incorporating a metalens along the horn flaring.
Andres Biedma-Perez   +3 more
doaj   +1 more source

The internal crest anatomy of Lambeosaurini (Hadrosauridae: Lambeosaurinae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The supracranial crests of lambeosaurine hadrosaurids have long been a focus of study due primarily to their extreme morphology. The external anatomy of lambeosaurine crests is understood to be highly variable between species, but variation in their internal anatomy is less well understood.
Thomas W. Dudgeon   +2 more
wiley   +1 more source

DESIGN OF H-PLANE SECTORAL HORN ANTENNA FOR MICROWAVE APPLICATIONS USING MATLAB

open access: yesJournal of Engineering and Sustainable Development, 2018
Wireless communications has become more essential in our life, as well as considered as the one of fastest growing segment in the communication business. The antenna was and still the main component of any wireless communication system.
Mushreq Abdulhussain Shuriji
doaj  

Elliptical Dual-Polarized High Gain Horn Antenna for Cell Partitioning in Millimeter-wave Mobile Communications

open access: yes, 2021
Partitioning of mobile communication cells using high gain antennas, e.g. lens-horn antennas, has the potential to improve mobile communication links. Depending on the environment, the radiation pattern has to be shaped to achieve optimal coverage.
Bressner, Thomas A.H.   +9 more
core   +1 more source

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