Results 81 to 90 of about 1,217 (218)

Ultra-Wide Band Double-Slot Podal and Antipodal Vivaldi Antennas Feed by Compact Out-Of-Phase Power Divider Slot for Fluid Properties Determination. [PDF]

Sensors (Basel), 2022
Ghimire J, Choi DY.
europepmc   +1 more source

Design of an Antipodal Vivaldi Antenna Using RSIW Technology

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
This paper proposes a methodology for developing antipodal Vivaldi antennas using RSIW (Ridge Substrate Integrated Waveguide) technology for a specific cut-off frequency.
Priscilla Kadja P. de M. Carneiro, Maraiza Prescila dos Santos, Alfredo Gomes Neto, Alexandre Jean R. Serres, Adolfo F. Herbster   +4 more
doaj   +1 more source

A 2D Method For Acquiring The Radiation Pattern Of Two-Identical Vivaldi Antennas By Using A Stepped-Frequency Continue Wave (SFCW) Radar And A Rotation Stage [PDF]

, 2018
A simple measuring method for acquiring the radiation pattern of an ultrawide band Vivaldi antenna is presented. The measuring is performed by combining two identical Vivaldi antennas and some of the intrinsic properties of a stepped-frequency continue ...
Solano, Jose Luis (M.Sc), Ortega Clavero, Valentin (Dr.), Silla, Ramakrishna Sai (M.Sc.), Schröder, Werner (Prof. Dr. rer. nat.), Schüssele, Lothar (Prof. Dr.-Ing.)   +4 more
core   +1 more source

Enhanced Low Frequency GPR Measurement Using Optimized Vivaldi Antennas

his work presents a low frequency ground-penetrating radar (GPR) measurement system employing optimized Vivaldi antennas, targeting high penetration depth and enhanced range resolution.
Arthur, Philip, Kromer, Mathias, Harter, Marlene   +2 more
core   +1 more source

A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone

International Journal of Antennas and Propagation, 2016
The characteristics of a novel antipodal Vivaldi antenna array mounted on a dielectric cone are presented. By employing antipodal Vivaldi antenna element, the antenna array shows ultrawide bandwidth and end-fire radiation characteristics. Our simulations
Zengrui Li, Xiaole Kang, Jianxun Su, Qingxin Guo, Yaoqing (Lamar) Yang, Junhong Wang   +5 more
doaj   +1 more source

Design of a Novel 3D Circular Vivaldi Antennas Array for Ultra-Wideband Near-Field Radar Imaging

, 2012
The design of a circular Vivaldi antenna array for Ultra wideband near-field radar imaging is presented. We first show a 3D single Vivaldi antenna with a 12:1 bandwidth without the need for complex microstrip transitions.
Sarkis, Rémi, 6th European Conference on Antennas and Propagation - EUCAP 2012, Craeye, Christophe, Alkhalifeh, Khaldoun   +3 more
core   +1 more source

Application of the Vivaldi Antenna in a Linear Antenna Array for Radar Systems

Scientific Journal of Gdynia Maritime University
The article presents a new broadband TSA antenna with a widening aperture, which is to be the basic radiating element in a multi-element antenna. The TSA antenna is characterized by a low-value standing wave ratio (SWR) covering the widest possible ...
Marian Wnuk
doaj   +1 more source

Experimental GPR Water Leakage Detection Using Modified Vivaldi Antennas

This paper presents an experimental study on subsurface water leakage detection using a Ground Penetrating Radar (GPR) system with modified Vivaldi antennas.
Arthur, Philip, Kromer, Mathias, Harter, Marlene   +2 more
core   +1 more source

Investigation of the dependencies of the Vivaldi antenna with a resonator in the electrodynamic modeling software complex

Вестник Дагестанского государственного технического университета: Технические науки
Objective. The goal of the study is to optimize a computer model of a Vivaldi antenna with conductive plates on the same side as the resonator.Method. The study is based on electrodynamic modeling methods.Result.The paper presents a computer model of a ...
T. G. Aslanov, S. A. Ibragimov
doaj   +1 more source