Results 31 to 40 of about 11,336 (176)
Miniaturized Folded-Slot CubeSat MIMO Antenna Design with Pattern Diversity
Sensors, 2022 In this paper, a folded slot-based multiple-input–multiple-output (MIMO) antenna design for Cube Satellite (CubeSat) applications is presented for the ultra-high frequency (UHF) band.
Rifaqat Hussain +8 more
doaj +1 more source
First In Vivo 23Na Human Imaging at 10.5 T Using a Combined Sodium-Proton Transceiver Body Array. [PDF]
Magn Reson MedABSTRACT Purpose To demonstrate the first in vivo human 23Na MRI at 10.5 T using a novel dual‐tuned transceiver body array and to evaluate a self‐gating approach for respiratory motion compensation, focusing on renal imaging. Methods A custom‐built eight‐channel 23Na‐loop 1H‐dipole transceiver array was designed, constructed, and characterized.
Schmidt S, Ertürk AM, Metzger GJ.
europepmc +2 more sources
International Journal of Antennas and Propagation, 2012 Ultra-high-frequency (UHF) approaches have caught increasing attention recently and have been considered as a promising technology for online monitoring partial discharge (PD) signals.
Jian Li +3 more
doaj +1 more source
The effect of soil and label attachment on the performance of RFID tags
Dianzi Jishu Yingyong, 2019 The application of ultra high frequency radio frequency identification(UHF RFID) in soil sample management can greatly improve the management information level.
Li Da +4 more
doaj +1 more source
Towards inkjet-printed low cost passive UHF RFID skin mounted tattoo paper tags based on silver nanoparticle inks [PDF]
, 2013 The present work describes the inkjet printing and low temperature sintering of silver nanoparticle inks onto transfer tattoo paper. Our approach results in silver features of excellent resolution and conductivity and, subsequently the first passive UHF ...
Char +9 more
core +2 more sources
Spectrum-Aware Compact Reconfigurable UHF Antenna for Interweave Cognitive Radio
IEEE Open Journal of Antennas and Propagation, 2023 This paper presents a compact ultra-high frequency (UHF) folded antenna design that relies on a single radio frequency micro-electro-mechanical switch (RF-MEMS) to reconfigure its frequency of operation between 575 MHz and 760 MHz.
F. A. Asadallah +6 more
doaj +1 more source
RePos : relative position estimation of UHF-RFID tags for item-level localization [PDF]
, 2019 Radio frequency identification (RFID) technology brings tremendous applications in location-based services. Specifically, ultra-high frequency (UHF) RFID tag positioning based on phase (difference) of arrival (PoA/PDoA) has won great attention, due to ...
De Poorter, Eli +6 more
core +2 more sources
Sensors, 2021 In this paper, we describe a long-range convex cavity-type passive ultra-high-frequency (UHF) radio frequency identification (RFID) tag to use on various metal and non-metal surfaces, for IoT sensor energy harvesting.
Franck Kimetya Byondi, Youchung Chung
doaj +1 more source
Enabling rural broadband via TV "white space" [PDF]
, 2012 The use of multiple frequency bands within a wireless network allows the advantages of each band to be exploited. In this paper we discuss how HopScotch, a rural wireless broadband access test bed running in the Scottish Highlands and Islands, uses both ...
Brew, Malcolm Ronald +4 more
core +1 more source
2-SR-based electrically small antenna for RFID applications [PDF]
, 2016 In this work, the 2-turn spiral resonator (2-SR) is proposed as an electrically small antenna for passive radio frequency identification (RFID) tags at the European ultra-high frequency (UHF) band. The radiation properties are studied in order to explore
Aguilà Moliner, Pau +5 more
core +2 more sources