Results 1 to 10 of about 11,349 (211)

Study and design of a patch antenna for biomedical applications [PDF]

open access: yesITM Web of Conferences, 2023
This work presents the performance of a Dual-band patch antenna with L-shaped slot for biomedical applications. The antenna works at 2.4 GHz and 3.33 GHz. A semi-flexible substrate material which is “Taconic TLX (tm)” with a relative dielectric constant,
Siraj Younes   +2 more
doaj   +1 more source

طراحی و اجرای درس جدید مجازی «آزمایشگاه شبیه‌سازی در الکترومغناطیس» [PDF]

open access: yesآموزش مهندسی ایران, 2022
دانشجویان مقطع کارشناسی رشته‌های مهندسی، در کنار یادگیری کیفی مطالب نظری، می‌بایست مهارت‌های عملی، طراحی و کاربردی مورد نیاز را کسب کنند، تا آنها را برای ورود به بازار کار و یا ادامه تحصیل آماده سازد.
سمیه بشگزی   +1 more
doaj   +1 more source

2×1 Truncated Corner Microstrip Array Antenna to Increase Gain and Bandwidth for LTE Applications at 2.3 GHz Frequency

open access: yesJurnal Elektronika dan Telekomunikasi, 2022
In the development of telecommunications in Indonesia, cellular networks, especially 4G, have grown rapidly since the launch of 4G LTE services. In the implementation of LTE, an antenna that has performance values of bandwidth, working frequency, VSWR ...
Ahmad Heri Ilyasah   +2 more
doaj   +1 more source

Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network: A controlled interrupted time series analysis.

open access: yesPLoS Medicine, 2022
BackgroundRestricting the advertisement of products with high fat, salt, and sugar (HFSS) content has been recommended as a policy tool to improve diet and tackle obesity, but the impact on HFSS purchasing is unknown.
Amy Yau   +17 more
doaj   +2 more sources

Size Miniaturized Fractal Nested Circular Rings-Shaped Microstrip Antenna for Various Wireless Applications [PDF]

open access: yesEngineering and Technology Journal, 2018
In this paper; a wideband fractal circular rings shaped microstrip antenna over partial rectangular ground plane is presented. Fractal geometry technique is used in order to take advantage of its self-similar property which lead to attain not only size ...
Shereen Shandal   +2 more
doaj   +1 more source

5G HAIRPIN BANDPASS FILTER

open access: yesJordanian Journal of Computers and Information Technology, 2021
In this paper, Hairpin Bandpass Filter (HPBF) is designed, simulated and fabricated at two 5G low-frequency bands: 3.7 GHz - 4.2 GHz and 5.975 GHz -7.125 GHz.
Sahar Saleh   +5 more
doaj   +1 more source

A Substrate Integrated Waveguide Slotted Antenna

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2023
Introduction. Slotted waveguide antenna arrays are widely used across centimeter- and millimeter-wavelength ranges due to numerous advantages, including their good directional properties, compact dimensions, flat shape, convenience of power supply, and ...
V. G. Koshkid’ko   +2 more
doaj   +1 more source

N- WAY COMPACT ULTRA-WIDE BAND EQUAL AND UNEQUAL SPLIT TAPERED TRANSMISSION LINES WILKINSON POWER DIVIDER

open access: yesJordanian Journal of Computers and Information Technology, 2020
In this article, compact N-way Ultra Wide Band (UWB) equal and unequal split Wilkinson Power Dividers (WPDs) using exponentially λ/4 Tapered Transmission Line Transformers (TTLTs) are designed.
Sahar Saleh   +5 more
doaj   +1 more source

Mine UWB radio frequency front-end electromagnetic co-simulation method based on ADS and HFSS

open access: yesGong-kuang zidonghua, 2023
The radio frequency front-end is an important part of mine ultra-wideband (UWB) positioning system. Its electromagnetic performance affects positioning precision. At present, the RF front-end design of the UWB positioning system is generally simulated by
REN Wenqing
doaj   +1 more source

3D printed hernia mesh implant: a conformability study [PDF]

open access: yesExploration of BioMat-X
Aim: This study aims to explore the sensing capabilities of polyvinylidene fluoride-hydroxyapatite-chitosan (PVDF-HAP-CS) composite-based hernia mesh implants (of conformal/planar design), followed by in-vitro analysis for better understanding of the bio-
Abhishek Barwar   +3 more
doaj   +1 more source

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