Results 11 to 20 of about 1,890 (246)

Fabry-Perot Antenna Employing Artificial Magnetic Conductors and Phase Gradient Metasurface for Wideband Monostatic RCS Reduction and High Gain Tilted Beam Radiation

IEEE Access, 2021
Platforms with low radar signatures require compatible antennas (low scattering) for communication purposes. Under this context, the article presents two Fabry-Perot (FP) Cavity antennas (Ant-1 and Ant-2).
Hassan Umair, Tarik Bin Abdul Latef, Yoshihide Yamada, Tayyab Hassan, Wan Nor Liza Binti Wan Mahadi, Mohamadariff Othman, Kamilia Kamardin, Mousa I. Hussein   +7 more
doaj   +1 more source

Cross-Entropy Method for Design and Optimization of Pixelated Metasurfaces

IEEE Access, 2020
Electromagnetic metasurfaces are planar two-dimensional metamaterials, typically of subwavelength thickness. Unit cell elements of different shapes have been widely explored, including electric and magnetic dipoles, patches, arbitrary geometries and ...
Maria Kovaleva, David Bulger, Karu P. Esselle   +2 more
doaj   +1 more source

Synthesis of Artificial Magnetic Conductors Using Structure-Based Evolutionary Design

International Journal of Antennas and Propagation, 2013
An evolutionary programming approach, the so-called structure based evolutionary design, is applied to the synthesis of planar periodic electronic band gap in order to obtain an artificial magnetic conductor surface.
Luisa Deias, Giuseppe Mazzarella, Giorgio Montisci, Giovanni Andrea Casula   +3 more
doaj   +1 more source

Continental-Scale Investigation of Underlying Electrical Conductivity Structure in Mainland China Using Geomagnetic Data

Remote Sensing, 2023
The magnetotelluric method has been used to fully study regional electrical conductivity structures in different areas in mainland China; however, there is a lack of overall understanding of the electrical structure distribution.
Zhiqiang Mao, Chieh-Hung Chen, Aisa Yisimayili, Bin Chen, Jiehao Yuan, Yongxin Gao, Yang-Yi Sun, Kai Lin   +7 more
doaj   +1 more source

Using artificial magnetic conductors to improve the efficiency of wireless power transfer

AIP Advances, 2019
In this study, an advanced wireless power transfer (WPT) system of two coils with the artificial magnetic conductors (AMC) is explored through simulations and experiments.
Taixia Shi, Lijuan Dong, Yongqiang Chen, Yong Sun, Yanhong Liu, Fusheng Deng, Lixiang Liu, Yunlong Shi, Yanyan Shen   +8 more
doaj   +1 more source

Hybrid Checkerboard Metasurface Combining Passive and Active AMCs [PDF]

Journal of Electromagnetic Engineering and Science
In this paper, a hybrid checkerboard metasurface is proposed for controlling radar cross-sections (RCSs) using a small number of active devices. The proposed metasurface consists of passive and active artificial magnetic conductors.
Sung Hoe Kim, Donghyun Kim, Chang-Hyun Lee, Young Joong Yoon   +3 more
doaj   +1 more source

Broadband Low RCS Based on Polarization- Dependent Artificial Magnetic Conductor Metasurface

IEEE Access, 2023
The reduction of radar cross-section (RCS) becomes an essential requirement for many military and civilian applications. One of the ways to achieve this is by using artificial magnetic conductors (AMCs) as electromagnetic surfaces.
Shimaa A. M. Soliman, Eman M. El-Desouki, Shaza M. El-Nady, Anwer S. Abd El-Hameed   +3 more
doaj   +1 more source

Design and Simulation of Magnetic Conductors to Enhance Features of Satellite Antennas and to Reduce Effects of Space Radiation [PDF]

فصلنامه علوم و فناوری فضایی, 2013
To improve the performance of satellite antennas, use of a high-impedance surface is purposed. High impedance surfaces are known as artificial magnetic conductors. The designed magnetic conductor includes an array of a Jerusalem Cross frequency selective
M. Sh. Hosseinipanah, F. Abdoullah-Mianji   +1 more
doaj  

Wide-Band and Low-Profile LTCC Conformal Antenna Array With Mixed Feeding Network

IEEE Access, 2020
As we know, the thickness mainly affects the yield of low-temperature co-fired ceramics (LTCC) device. There is a high risk of cracking for the thick structure in manufacture process especially for the curved one.
Yan Wang, Sixing Liu, Yong Huang, Hao Wang   +3 more
doaj   +1 more source

Improvement of a Circular Microstrip Antenna Excited by Four Feeds and Suspended with Artificial Magnetic Conductors

International Journal of Antennas and Propagation, 2013
The proposed antenna is a circular microstrip structure excited by four feeds and suspended with artificial magnetic conductors (AMCs). The multifeed circular microstrip antennas can generate a high circularly polarized performance by using a different ...
Sanchai Eardprab, Chuwong Phongcharoenpanich, Danai Torrungrueng   +2 more
doaj   +1 more source