Results 31 to 40 of about 2,325 (294)
Analysis and Design of Checkerboard Leaky-Wave Antennas With Low Radar Cross Section
IEEE Open Journal of Antennas and Propagation, 2020 This paper addresses the analysis and design of a new class of metasurface leaky-wave antennas (LWAs) that inherently have low monostatic radar cross section (RCS) for normal incidence parallel polarization.
Subramanian Ramalingam +3 more
doaj +1 more source
Possible Leaky Wave Antennas for Propagation Therapy using SAR Analysis [PDF]
, 2021 This paper presents an overview of design and functionality of three novel leaky wave antennas (LWAs) that are proposed as a possible hyperthermia system using LWA logic. LWAs are best known for their interesting property of frequency scanning.
Sarabi, Masoud, Perger, Warren F.
core
Efficient design of multiple-fed leaky wave/Fabry-Perot antennas [PDF]
, 2016 A simple transmission line approach for the rapid analysis of multiple fed Leaky Wave antennas based on Fabry-Perot cavities is presented. The method is based on the superposition of the travelling leaky waves excited by each of the applied source.
MONORCHIO, AGOSTINO +7 more
core +1 more source
Improving directional radiation quality based on a gradient amplitude acoustic leaky wave antenna
New Journal of Physics, 2019 In this work, we show how to modify radiation amplitude with a leaky wave antenna to improve the quality of sound radiation. The designed gradient amplitude leaky wave antenna consists of a straight pipe with periodically loaded membranes, open channels ...
Jun Lan +4 more
doaj +1 more source
IET Microwaves, Antennas & Propagation, 2022 In this work, a wide‐angle forward to backward scanning wideband leaky‐wave antenna (LWA) based on the microstrip spoof surface plasmon polaritons (SSPPs) transmission line (TL) is proposed.
Somia Sharma +3 more
doaj +1 more source
Efficient Conversion of TM Surface Wave into TM Leaky Wave by Metasurface [PDF]
, 2021 Publisher Copyright: © 2021 EurAAP. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.In this paper we discuss possible practical implementations of exact solutions for a lossless and reciprocal penetrable metasurface which ensures full ...
Tcvetkova, Svetlana +11 more
core +1 more source
Topological One-Way Edge States in an Air-Hole Honeycomb Gyromagnetic Photonic Crystal
Frontiers in Physics, 2022 Topological one-way edge states have attracted increasing attention because of their intriguing fundamental physics and potential applications, particularly in the realm of photonics. In this paper, we present a theoretical and numerical demonstration of
Chaoqun Peng +4 more
doaj +1 more source
Technologies for Near-Field Focused Microwave Antennas
International Journal of Antennas and Propagation, 2017 This paper provides a review spanning different technologies used to implement near-field focused antennas at the microwave frequency band up to a few tens of GHz: arrays of microstrip patches and printed dipoles, arrays of dielectric resonator antennas,
Paolo Nepa +3 more
doaj +1 more source
IEEE Access, 2018 Modern terahertz (THz) receiver used for radio astronomy is aimed at developing high integrated system. However, various THz integrated devices, such as quantum cascade lasers and chip antennas, exist weaknesses of poor radiation quality and beam ...
Jiang-Qiao Ding +3 more
doaj +1 more source
The leaky lens: a broad-band fixed-beam leaky-wave antenna [PDF]
IEEE Transactions on Antennas and Propagation, 2005 A novel type of leaky-wave antenna is presented. Differently from previously reported leaky-wave antennas, it is characterized by a constant beam direction over a very wide range of frequencies. The radiation originates at a slot etched at the interface between air and a dense dielectric, which is shaped to form a cylinder of elliptical cross sections ...
Neto, A. +3 more
openaire +2 more sources