Results 21 to 30 of about 430,812 (281)

Antenna Designs for CubeSats: A Review

open access: yesIEEE Access, 2021
Cube Satellites, aka CubeSats, are a class of nano satellites that have gained popularity recently, especially for those that consider CubeSats as an emerging alternative to conventional satellites for space programs.
Suhila Abulgasem   +5 more
doaj   +1 more source

Double Loop Inductive Feed Patch Antenna Design for Antimetal UHF RFID Tag

open access: yesInternational Journal of Antennas and Propagation, 2019
Planar UHF RFID antimetal tag can be widely used for the metallic products or packages with metal material inside. A double loop inductive feed planar patch antenna is proposed for UHF RFID tag mounted on metallic objects.
Lingfei Mo, Chenyang Li
doaj   +1 more source

A compact multiband planar antenna using modified L-shape resonator slots

open access: yesHeliyon, 2020
A multiband planar antenna designed and proposed with resonator slots is presented. The proposed antenna consists of a planar hexagonal patch composed of two pairs of resonator slots.
Indu Jiji Rajmohan, Mousa I. Hussein
doaj   +1 more source

Antenna Study and Design for Ultra Wideband Communication Applications [PDF]

open access: yes, 2006
PhDSince the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for ultra wideband (UWB) wireless communications, UWB is rapidly advancing as a high data rate wireless communication technology.
Liang, Jianxin
core   +4 more sources

An Ultra-Wideband Ridged Biconical Multibeam Antenna

open access: yesIEEE Access, 2023
This paper presents an ultra-wideband multibeam antenna with eight radiating elements that are connected to the central cylindrical part. Each radiating element consists of a TEM horn fed by a coaxial to ridged planar waveguide transition. The connection
Mahdi Zoghi   +2 more
doaj   +1 more source

Application of metasurfaces in the design of performance-enhanced low-profile antennas

open access: yesEPJ Applied Metamaterials, 2018
This paper presents a review of metasurface-based antennas conducted at the Microwave Communication Laboratory (MCL) of Ajou University in the Republic of Korea.
Park Ikmo
doaj   +1 more source

A Dual-band Planar Antenna for Wireless Local Area Network Applications

open access: yesPolytechnic Journal, 2019
Wireless local area network (WLAN) communication is one of the fast and secure wireless technologies, which is vastly used in nowadays portable and handheld devices.
Yasser A. Fadhel
doaj   +1 more source

Modulated Metasurfaces for Microwave Field Manipulation: Models, Applications, and Design Procedures

open access: yesIEEE Journal of Microwaves, 2022
Metasurfaces (MTSs) have emerged in the last years as a promising platform for next generation planar devices in a broad range of frequencies, thanks to their unique field manipulation capability.
Enrica Martini, Stefano Maci
doaj   +1 more source

RoundMi: A quantitative method to analyze mitochondrial morphology in mitotic cells

open access: yesFEBS Open Bio, EarlyView.
RoundMi is a workflow for rapid analysis of mitochondrial morphology in mitotic cells. By combining adaptive preprocessing with automated segmentation and quantification, it enables accurate measurements from single focal plane images, reducing acquisition time and computational demands while remaining compatible with high‐throughput fixed and live ...
Elmira Parvindokht Bararpour   +2 more
wiley   +1 more source

Design and Modeling of New UWB Metamaterial Planar Cavity Antennas with Shrinking of the Physical Size for Modern Transceivers

open access: yesInternational Journal of Antennas and Propagation, 2013
A variety of antennas have been engineered with MTMs and MTM-inspired constructs to improve their performance characteristics. This report describes the theory of MTMs and its utilization for antenna's techniques.
Mohammad Alibakhshi Kenari
doaj   +1 more source

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