Results 1 to 10 of about 31,710 (253)

Wideband and Dual-Polarized Crossed Dipole Antenna Design Using Substrate-Integrated Coax [PDF]

open access: goldIEEE Open Journal of Antennas and Propagation, 2023
A wideband and dual-polarized dipole antenna design technique is presented. The proposed antenna employs two sets of dipole elements in orthogonal configuration and separated by a dielectric layer.
Soumitra Biswas
doaj   +2 more sources

B7. Leaky-Wave Coaxial Antenna [PDF]

open access: gold2013 30th National Radio Science Conference (NRSC), 2013
Analysis and design of a coaxial leaky wave antenna with partially reflecting outer surface are presented. The leaky wave properties are controlled by adjusting the surface impedance of the outer surface, the filling dielectric constant and the dimensions of the inner and outer radii.
Ahmed M. Attiya
openalex   +2 more sources

Design and numerical simulation of a microwave antenna with coaxial slots for preventing secondary formation of gas hydrate [PDF]

open access: diamondE3S Web of Conferences, 2021
Gas hydrate is a new clean energy resource with polar molecule. However due to the change of temperature and pressure during extraction process, there will be secondary formation of gas hydrate, which usually occurs in reservoirs or pipelines near the ...
Wang Shujing   +5 more
doaj   +2 more sources

Parameter study of ehf dual-band vibrator antennas with coaxial and two-wire shunts [PDF]

open access: yesРадиофизика и электроника, 2021
Subject and Purpose. Two types of new dual-frequency microwave antennas with coaxial and two-wire shunts are considered with a view to improve calculation methods of radio engineering and design parameters of the antennas of the kind.
V.V. Ovsyanikov
doaj   +1 more source

Evaluation of 8-Channel Radiative Antenna Arrays for Human Head Imaging at 10.5 Tesla

open access: yesSensors, 2021
For human head magnetic resonance imaging at 10.5 tesla (T), we built an 8-channel transceiver dipole antenna array and evaluated the influence of coaxial feed cables.
Myung Kyun Woo   +9 more
doaj   +1 more source

Broadband antenna in the form of a segment of a coaxial waveguide

open access: yesТехнічна інженерія, 2021
The antenna in the form of an open segment of a coaxial waveguide in the wave mode is widely used as a stand-alone emitter. The peculiarity of such an antenna is its poor coordination with free space.
N.M. , V.P. , P.P. , K.S.
doaj   +1 more source

Coaxial Slotted Antenna for Hyperthermia Applications

open access: greenSSRN Electronic Journal, 2022
Aditya Sharma   +4 more
openalex   +2 more sources

Non-Coaxial OAM: Precoding Design, Misaligned Parameter Estimation and Capacity Compensation

open access: yesIEEE Access, 2021
Uniform Circular Antenna (UCA) is a convenient way to generate multiple Orbital Angular Momentum (OAM) beams simultaneously, and OAM-MIMO is promised to be an augmentation to enhance capacity.
Mengnan Jian, Yijian Chen, Guanghui Yu
doaj   +1 more source

Measurement methods and mathematical model of main characteristics of waveguide-coaxial connectors

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
Modern complex microwave radio electronic systems may use functional devices implemented on different types of transmission lines. In order to connect such devices to each other to form antenna feed system, the following three types of special connectors
Eduard Glushechenko
doaj   +1 more source

MULTIELEMENT SYSTEMS OF ARC SLOTS IN A COAXIAL LINE SCREEN [PDF]

open access: yesRadio Physics and Radio Astronomy, 2016
Purpose: Studying the electrodynamic characteristics of the coaxialslot antennas and the ways of their control by the feeder and radiators geometrical parameters change.
V. A. Katrich   +2 more
doaj   +1 more source

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