Results 201 to 210 of about 3,037 (262)
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A compact antipodal vivaldi antenna for modern surveillance systems

International Journal of Electronics Letters, 2023
Recent breakthroughs in modern surveillance systems combined with stealth and jamming technologies have led to the development of high-directional and high-gain antennas.
Harikrishna Paik, K. Premchand
semanticscholar   +1 more source

Electrodynamics of vivaldi antenna arrays

2017 Radiation and Scattering of Electromagnetic Waves (RSEMW), 2017
Theoretical investigation of a two dimensional periodical Vivaldi antenna array is presented. The array model in form of a system of coupled slot lines with variable parameters is proposed. Integral equations that describe all array eigen modes: TE, TM, TEM are obtained and solved.
S. E. Bankov, E. V. Frolova
openaire   +1 more source

A Novel Ultrawideband Miniature Vivaldi Antenna With Sawtooth Outer Edges and Inclined Elliptical Slots

IEEE Antennas and Wireless Propagation Letters
A new ultrawideband (UWB) miniaturized Vivaldi antenna with a continuous sawtooth outer edge and two pairs of inclined elliptical slots (SEVA) is proposed in this letter.
Hao Zhang, Fang Zhang
semanticscholar   +1 more source

Dual Antipodal Vivaldi Antenna-Based Moisture Sensor for Industrial Process Control

IEEE Sensors Journal, 2023
Moisture measurement in industrial processes is of great importance for quality control and energy saving. One possible method for moisture measurement is microwave transmission using two antennas, where the material moisture is determined based on the ...
Florian Stern   +3 more
semanticscholar   +1 more source

INTERCONNECTION OF VIVALDI ANTENNAS IN THE MIMO ANTENNA ARRAY

ВЕСТНИК ВОРОНЕЖСКОГО ГОСУДАРСТВЕННОГО ТЕХНИЧЕСКОГО УНИВЕРСИТЕТА, 2021
Рассматривается MIMO антенная решетка, сформированная из двух антенн Вивальди, которые должны обеспечить работу в частотном диапазоне, выделенном для сетей пятого поколения - 24,25-24,65 ГГц. Для определения основных параметров антенны применялось моделирование, на основе которого были установлены основные характеристики MIMO антенной решетки ...
openaire   +1 more source

A Compact, Ultrawideband Dual-Polarized Vivaldi Antenna With Radar Cross Section Reduction

IEEE Antennas and Wireless Propagation Letters, 2022
A compact, ultrawideband (UWB) dual-polarized Vivaldi antenna with radar cross section (RCS) reduction is proposed and demonstrated. The dual-polarized antenna is constructed by aligning two single-polarized Vivaldi elements into a crossshaped ...
Ke Zhang   +5 more
semanticscholar   +1 more source

A Miniaturized Vivaldi Antenna in Fan-Out Wafer-Level Package for 5G Millimeter- Wave Applications

IEEE Antennas and Wireless Propagation Letters
In this letter, a miniaturized Vivaldi antenna based on a fan-out wafer-level packaging (FOWLP) process with a single redistribution layer is proposed. A step-by-step design procedure for the proposed antenna is presented.
Tao Zhang   +7 more
semanticscholar   +1 more source

Transparent Ultrawideband Halved Coplanar Vivaldi Antenna With Metal Mesh Film

IEEE Antennas and Wireless Propagation Letters, 2022
In this letter, a transparent ultrawideband (UWB) halved coplanar Vivaldi antenna (HCVA) with metal mesh film (MMF) is proposed. Based on the equivalence principle, the halved type antenna is achieved by replacing a radiation fin with the ground plane ...
Bian Wu   +4 more
semanticscholar   +1 more source

Broadband Gain Enhanced Narrow-Beam Vivaldi Antenna With Ring and Directors for Handheld Antidrone Jamming System

IEEE Antennas and Wireless Propagation Letters
As the number of drones continues to increase and their applications become more widespread, the importance of neutralizing drones is becoming increasingly important.
Ikhwan Kim   +6 more
semanticscholar   +1 more source

Endfire Gain Enhancement Enabled by a Modified Antipodal Vivaldi Antenna With Metamaterials

IEEE Photonics Technology Letters
In this letter, an effective method to increase the radiation gain of a Vivaldi antenna is proposed. In the antenna design, tilted parallel slots are etched on both flared radiators to suppress unnecessary broadside radiation through resonance effect and
Boyu Liu   +5 more
semanticscholar   +1 more source

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