Results 61 to 70 of about 39,484 (169)

Reflective Metasurface for Multi-Band Polarization Conversion for Satellite Applications in 6G Networks

IEEE Open Journal of Antennas and Propagation
This study introduces a reflective polarization converter based on metasurface, designed to offer both Linear-to-Linear polarization (LLP) and Linear-to-Circular polarization (LCP).
Humayun Zubair Khan, Abdul Jabbar, Jalil Ur Rehman Kazim, Jamal Zafar, Masood Ur-Rehman, Muhammad Ali Imran, Qammer H. Abbasi   +6 more
doaj   +1 more source

Circular Antenna Array With Beam Direction and Polarization Control

IEEE Access
In this paper, a circular antenna array is presented for indoor communication. The antenna array consists of 8 dual-polarization antenna elements. At first, the circular antenna array is fed identically, an azimuthal omnidirectional pattern is obtained ...
Pei-Yu Li, Xin-Ran Jin, Guo-Wen Ding, Xin-Yao Luo, Shen-Yun Wang   +4 more
doaj   +1 more source

Highly efficient polarization converter with wide angular stability

Scientific Reports
This paper presents a multi-band polarization converter using spoof surface plasmon polaritons (SSPP), addressing the growing demand for efficient polarization control in modern communication systems, radar, and sensing technologies.
Changiz Ghobadi, Mohsen Karamirad, Javad Nourinia   +2 more
doaj   +1 more source

Polarization-Reconfigurable Metasurface Antenna Design for Drone Terminals Based on Characteristic Mode Analysis

Micromachines
To enhance the anti-jamming performance and operational reliability of drones, this paper presents the design, fabrication, and measurement of a novel polarization-reconfigurable metasurface antenna that meets these demands.
Shiquan Zhang, Hao Yu, Xianqiong Wen, Hongxing Zheng   +3 more
doaj   +1 more source

Circular Clustering With Polar Coordinate Reconstruction

IEEE/ACM Transactions on Computational Biology and Bioinformatics
Manuscript is under review in IEEE Transactions on Computational Biology and Bioinformatics.
Xiaoxiao Sun, Paul Sajda
openaire   +3 more sources

Transformation of Circular Polarization Along the Propagation Axis via a Polarization-Mixed Metasurface

IEEE Access
Polarization is a fundamental property of light and plays an important role in a wide range of optical phenomena and applications. While many earlier studies of metasurfaces have primarily focused on controlling polarization within the transverse plane ...
Changhyun Lee, Jun Seok Yoon, Hyeon Woo Jeon, Seokjae Yoo, Soo Jin Kim   +4 more
doaj   +1 more source

A 3D-Printed Enclosed Twist Dielectric Resonator Antenna with Circular Polarization

Applied Sciences
This article presents a circular polarized enclosed dielectric resonator antenna (DRA), operating at 5.8 GHz. The design consists of a twist DRA, which is enclosed in a box to give stability to the structure.
Andrea Ávila-Saavedra, Marcos Diaz, Francisco Pizarro   +2 more
doaj   +1 more source

Isolation and Circular Polarization Diversity in 2×1 MIMO Microstrip Patch Array Using Closed Metallic Loop

IEEE Access
This article presents a decoupling method to improve isolation and circular polarization in a two-element multiple-input–multiple-output (MIMO) microstrip patch antenna (MPA) array in the H-plane.
Manzoor Elahi, Slawomir Koziel, Leifur Leifsson   +2 more
doaj   +1 more source

An Electronically Reconfigurable Patch Antenna Design for Polarization Diversity with Fixed Resonant Frequency [PDF]

Radioengineering, 2015
In this paper, an electronically polarization reconfigurable circular patch antenna with fixed resonant frequency operating at Wireless Local Area Network (WLAN) frequency band (2.4-2.48 GHz) is presented. The structure of the proposed design consists of
M. N.Osman, M. K. A. Rahim, P. Gardner, M. R. Hamid, M. F. M. Yusoff, H. A. Majid   +5 more
doaj  

Prime polar circularity

By subtracting the prime minus its position and taking its diffrences then added it gives a circular polar ...
openaire   +1 more source