Results 51 to 60 of about 6,027 (173)

New Dual‐Polarised Fractal FSS Frequency Discriminators for IFM Based on Balanced Gray‐Code

open access: yesIET Microwaves, Antennas &Propagation, Volume 20, Issue 1, January/December 2026.
This paper demonstrates the design and experimental validation of four frequency selective surfaces for instantaneous frequency measurement. A fractal based pattern has been used to significantly reduce the size of each FSS, whereas their frequency response were tuned to provide a balanced Gray‐code output which provide less variation in fractional ...
Pedro Cavalcanti   +6 more
wiley   +1 more source

Compact printed high rejection triple band-notch UWB antenna with multiple wireless applications

open access: yesEngineering Science and Technology, an International Journal, 2016
In this paper, small printed urn-shape triple notch ultra-wideband (UWB) monopole antenna with diverse wireless applications is presented. Notch bands include WiMAX (IEEE802.16 3.30–3.80 GHz), WLAN IEEE802.11a/h/j/n (5.15–5.35 GHz, 5.25–5.35 GHz, 5.47–5 ...
Manish Sharma   +4 more
doaj   +1 more source

Logistics‐Grade UHF RFID Tag Design via Surrogate‐Guided Bayesian Optimisation

open access: yesIET Science, Measurement &Technology, Volume 20, Issue 1, January/December 2026.
This study presents a highly data‐efficient, surrogate‐guided Bayesian optimisation pipeline (DOE → DNN → BO) to design logistics‐grade Ultra‐High Frequency Radio‐Frequency Identification (UHF RFID) tags. By actively embedding strict European Telecommunications Standards Institute (ETSI) regulatory corridor constraints into the acquisition loop, the ...
Aslıhan Turgut, Ahmet Turgut
wiley   +1 more source

A Low VSWR and High Efficiency Waveguide Feed Antenna Array

open access: yes, 2018
A low VSWR and high efficiency antenna array operating in the Ku band for satellite communications is presented in this paper. To achieve high radiation efficiency and broad enough bandwidth, all-metal radiation elements and full-corporate waveguide ...
Zhao Xiao-Fang   +4 more
core   +1 more source

Antena Mikrostrip Circular Array Dual Frekuensi

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2012
Paper Dalam aplikasi GPS (Global Positioning System) dan GSM (Global System for Mobile communication) dalam sebuah fitur layanan telepon seluler, diperlukan antena tunggal yang mampu melayani 2 keperluan aplikasi GPS yaitu frekwensi 1575 MHz dan ...
Dwi Fadila Kurniawan   +2 more
doaj   +1 more source

Circuit‐Theoretic Modeling and Simulation Study of Near‐Field MIMO Arrays of Dipole Antennas

open access: yesActive and Passive Electronic Components, Volume 2026, Issue 1, 2026.
Near‐field mutual coupling among closely spaced antennas limits the deployment of wireless MIMO interconnects in chip‐to‐chip communication. This paper presents a circuit‐theoretic modeling and simulation study of near‐field MIMO (NFMIMO) systems using 1 × 1 and 2 × 2 dipole arrays.
Abhishek Javali   +3 more
wiley   +1 more source

Perancangan Antena Mikrostrip Segiempat Peripheral Slit untuk Aplikasi 2,4Ghz dengan Metode Pencatuan Proximity Coupled

open access: yesJurnal Nasional Teknik Elektro, 2018
Microstrip antenna is one of the fastest growing antennas in telecommunication system. Microstrip antenna has been widely used because it has many advantages such as a compact, practical and easy to adjusting polarize, commonly applied to modern ...
Rico Bernando Putra   +2 more
doaj   +1 more source

Design of Decoupling and Matching Network in Near‐Field Wireless MIMO Using Dipole Antennas for Millimeter‐Wave Applications

open access: yesActive and Passive Electronic Components, Volume 2026, Issue 1, 2026.
Near‐field wireless MIMO (NFWMIMO) links are a promising solution for chip‐to‐chip and board‐level communication at millimeter‐wave frequencies. However, their performance is severely limited by strong mutual coupling and impedance mismatch due to subwavelength antenna spacing.
Abhishek Javali   +4 more
wiley   +1 more source

Design of Half Impulse Radiating Antenna (HIRA) With Tapered Transverse Electromagnetic (TEM) Horn–Based Novel Feeding Mechanism for Intentional Electromagnetic Interference (IEMI) Applications

open access: yesInternational Journal of Antennas and Propagation, Volume 2026, Issue 1, 2026.
Half impulse radiating antenna (HIRA) is commonly used in high‐power ultrawideband (UWB) systems. These systems come under the class of Intentional Electromagnetic Interference (IEMI) systems, which are intended to generate intense electric fields (∼10 kV/m and above) in a far field range.
Sandeep Kumar Singh   +6 more
wiley   +1 more source

Design of X‐Band Broadband H‐Shaped Slit‐Coupled Microstrip Patch Antenna Array

open access: yesInternational Journal of Antennas and Propagation, Volume 2026, Issue 1, 2026.
This paper presents a broadband slit‐coupled antenna design for X‐band applications. By using double‐layer microstrip patches as the unit, high gain and broadband characteristics have been achieved. In array design, by loading open‐circuit branches, the current distribution on the antenna surface was adjusted, thereby reducing the electromagnetic ...
Ziyu Zhang   +5 more
wiley   +1 more source

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