Results 21 to 30 of about 17,978 (221)
Development of CINEMA Mission Uplink Communication System [PDF]
Journal of Astronomy and Space Sciences, 2012 Triplet Ionospheric Observatory (TRIO) CubeSatforIon, Neutral, Electron MAgneticfields (CINEMA) is a CubeSat with the weight 3 kg that will be operated in the orbit conditions of about 800 km altitude and 90° inclination angle, using the S-band and ...
Nayoung Yoon +8 more
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RFID coverage extension using microstrip-patch antenna array [PDF]
, 2009 In this paper, a UHF-band 2 x 2 microstrip phased-array antenna is designed and implemented to extend the coverage of an RFID reader system. The phased-array antenna has four microstrip-patch antennas, three Wilkinson power dividers, and a transmission ...
Abbak, Mehmet +2 more
core +1 more source
Design of a Circularly-Polarized UHF Antenna for Partial Discharge Detection
IEEE Access, 2020 In this work, a circularly-polarized ultra-high frequency (UHF) partial discharge (PD) antenna is proposed to detect the PD in 0.6 GHz - 1.7 GHz. The proposed PD antenna consists of an Archimedean spiral antenna, a balun, and a cavity.
Seungyong Park, Kyung-Young Jung
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Rancang Bangun Multi Frekuensi Rectenna Untuk Energy Harvesting Gelombang Elektromagnetik
Protek: Jurnal Ilmiah Teknik Elektro, 2021 The increasing need for electrical energy encourages the birth of methods to utilize various forms of energy available in nature called energy harvestin. One of them is from electromagnetic waves that are massif used daily by the community. In this study,
Sukriyah Buwarda, Asmawaty Azis
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Broadband circularly polarized antennas for UHF SATCOM [PDF]
, 2011 Novel circularly polarized (CP) antenna configurations derived from Moxon type antenna (bent dipole element over a ground plane) for broadband VHF SATCOM applications.
Manzhura, Oksana +3 more
core +1 more source
Electronics Letters, 1990 The optimisation of a dipole fed reflector antenna is presented. The shape of the reflector and the dipole is varied in order to obtain a constant radiation pattern within a frequency range of nearly one octave.
K.E. Stocker, F.M. Landstorfer
openaire +1 more source
Tattoo Antenna Temporary Transfers Operating On-Skin (TATTOOS) [PDF]
, 2015 This paper discusses the development of RFID logo antennas based on the logos of Loughborough University and the University of Kent which can be tattooed directly onto the skin’s surface.
A Chauraya +11 more
core +1 more source
Performance analysis of patch-type UHF-RFID tag antennas in the presence of mutual coupling
Advanced ElectromagneticsIn a context of high-density deployment of UHF RFID patch-type tag antennas, mutual coupling can have an impact on the detection rate due to the degradation of the link budget between certain tags and the reader.
K. F. Gbamélé
doaj +3 more sources
IoT-Linked Integrated NFC and Dual Band UHF/2.45 GHz RFID Reader Antenna Scheme
IEEE Access, 2019 This research proposes a system board of integrated antenna scheme of near-field communication (NFC) and dual band ultra-high frequency (UHF, 920-925 MHz)/2.45 GHz radio frequency identification (RFID) reader antennas for Internet of Things (IoT ...
Adisak Romputtal +1 more
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Gain Enhancement of a Microstrip Patch Antenna with Quasi H-Shaped Slot for UHF RFID Reader
Journal of Applied Science and Engineering, 2022 This paper aims to enhance the gain of a microstrip patch antenna for ultra-high frequency (UHF) radio frequency identification (RFID) reader. The paper proposes a new antenna design that consists of a perfectconductor rectangular patch with a quasi H ...
Mousaab M. Nahas
doaj +1 more source