Frequency-reconfigurable antenna using metasurface

HL Zhu, XH Liu, SW Cheung… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
A frequency-reconfigurable antenna designed using metasurface (MS) to operate at around
5 GHz is proposed and studied. The frequency-reconfigurable metasurfaced (FRMS) …

Passive techniques for target radar cross section reduction: A comprehensive review

R Zaker, A Sadeghzadeh - International Journal of RF and …, 2020 - Wiley Online Library
In this article, a comprehensive review of published techniques for reducing radar cross‐
section (RCS) of a target in various military and industrial applications is presented. This …

An ultra-thin, polarization free wide-angle stable quad-band metamaterial absorber for applications in C, X, and Ku bands

P Binda, RK Singh, R Mitharwal - AEU-International Journal of Electronics …, 2023 - Elsevier
This study proposes and examines an ultrathin, wide-angle stable and polarization-
insensitive metamaterial absorber (MMA) with quad-band functionalities. The proposed …

Design and fabrication of a polarization-independent millimeter-wave absorber using circuit theory and 3D printing

S Zolfaghary Pour, A Khavasi, B Rejaei - Journal of Electronic Materials, 2024 - Springer
In this paper, a broadband, polarization-independent metamaterial absorber for millimeter
waves is proposed. Operating across the frequency range of 22.7 GHz to 37.2 GHz, our …

High gain CPW‐fed UWB planar monopole antenna‐based compact uniplanar frequency selective surface for microwave imaging

RA Abdulhasan, R Alias, KN Ramli… - … Journal of RF and …, 2019 - Wiley Online Library
In this article, a novel uniplanar ultra‐wideband (UWB) stop frequency selective surface
(FSS) was miniaturized to maximize the gain of a compact UWB monopole antenna for …

Broadband frequency selective surface absorber with dual-section step-impedance matching for oblique incidence applications

F He, K Si, R Li, D Zha, J Dong, L Miao… - … on Antennas and …, 2021 - ieeexplore.ieee.org
A method for designing and fabricating a dual-section step-impedance frequency selective
surface (DSSI-FSS) absorber for oblique incidence applications is proposed. The features of …

Compact acoustic rainbow trap** in a bioinspired spiral array of graded locally resonant metamaterials

L Zhao, S Zhou - Sensors, 2019 - mdpi.com
Acoustic rainbow trappers, based on frequency selective structures with graded geometries
and/or properties, can filter mechanical waves spectrally and spatially to reduce noise and …

Chessboard AMC surface based on quasi-fractal structure for wideband RCS reduction

J Xue, W Jiang, S Gong - IEEE antennas and wireless …, 2017 - ieeexplore.ieee.org
A chessboard artificial magnetic conductor surface based on the quasi-fractal structure is
proposed for wideband radar cross-section (RCS) reduction. The chessboard configuration …

A circuit analog absorber with optimum thickness and response in X-band

AP Sohrab, Z Atlasbaf - IEEE Antennas and Wireless …, 2013 - ieeexplore.ieee.org
A wideband circuit analog absorber in X-band is proposed. The design is discussed by the
unit cell and equivalent circuit model. A unit cell of the periodic structure for the absorber is …

Mitigation measures for windfarm effects on radar systems

OA Ella, KA Alnajjar - International Journal of Aerospace …, 2022 - Wiley Online Library
Windfarms can have a significant impact on radar systems, especially air surveillance radar.
This is because it is usually designed to show only moving targets and cancel out stationary …