Results 61 to 70 of about 13,537 (225)
Jurnal 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
Estimation of dielectric constant for various standard materials using microstrip ring resonator [PDF]
, 2017 Microstrip ring resonator (MRR) is known for dielectric constant determination and many studies used Teflon as a standard sample. However, there are many other materials available which able to perform better or equivalence as the Teflon in calibrating ...
Abbas, Zulkifly +3 more
core +1 more source
High‐Efficiency Millimeter‐Wave Scalable Rectenna Array With Individual Impedance Control
International Journal of Circuit Theory and Applications, Volume 53, Issue 11, Page 6143-6151, November 2025.This study proposes a millimeter‐wave scalable rectenna array with individual fundamental and second harmonic impedance control for high‐efficiency wireless power transfer. The array integrates rectifiers, patch antennas, and a DC combining network, ensuring effective impedance matching and optimal power conversion while maintaining independent control
Yeonsoo Kim +5 more
wiley +1 more source
Compact printed high rejection triple band-notch UWB antenna with multiple wireless applications
Engineering 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
Redundant RF system for space application [PDF]
, 1979 An S-band radio frequency subsystem is described including two transmitters, two receivers and two antennas. The subsystem is capable of connecting either transmitter or receiver to either antenna while permitting simultaneous operation of a transmitter ...
Rook, C. W.
core +1 more source
Radio Science, Volume 60, Issue 11, November 2025.Abstract This research focuses on developing an efficient, high‐isolation Multi‐Input Multi‐Output (MIMO) antenna array for Mobile Satellite Services (MSS). A portion of the S‐band (2–4 GHz) ranging from 2 to 2.2 GHz, known as Unified S‐Band (USB), is utilized for MSS, particularly for Space‐to‐Earth communications.
Avishek Chakraborty +6 more
wiley +1 more source
Antena Mikrostrip Circular Array Dual Frekuensi
Jurnal 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
A Low VSWR and High Efficiency Waveguide Feed Antenna Array [PDF]
Wireless Communications and Mobile Computing, 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 feeding network are employed.
Zhao Xiao-Fang +4 more
openaire +1 more source
Solar Radio Wide‐Band Spectroscopy and Imaging Facilities of the Chinese Meridian Project Phase II
Space Weather, Volume 23, Issue 11, November 2025.Abstract Solar eruptions, including flares and coronal mass ejections, are the most energetic phenomena in the solar system. These explosive events accelerate high‐energy particles and generate electromagnetic radiation from radio to gamma‐ray wavelengths, producing heliospheric disturbances and acting as primary drivers of space weather hazards.
Yihua Yan +19 more
wiley +1 more source
VSWR value measurement analysis using Direct Digital Synthesizer [PDF]
JAICT, 2018 <p class="AbstractL-MAG"><span lang="EN-US">SWR Analyzer is an electronic device radio is useful to know the value of VSWR and antenna impedance without the use of radio tranciever. In this final use Direct Digital Synthesizer (DDS) to generatewaveforms analog digitally. DDS signal generation programmable via Arduino nano.
openaire +1 more source