Results 51 to 60 of about 1,271 (183)
A Full-Band Digital Television Transmitting Antenna Array With Dual-Layer Bowtie Dipole Unit
A full-band digital television (DTV) transmitting antenna array with dual-layer bowtie dipole unit is proposed in this paper. The dual-layer bowtie dipole is utilized as the antenna unit to broaden the frequency bandwidth, and its key parameters are ...
Haijing Yu +3 more
doaj +1 more source
On the development of a novel high VSWR programmable impedance tuner [PDF]
Impedance tuners are key instruments used for load- and source–pull measurements. They are crucial for any active microwave components, circuits, and systems characterization and optimization. This paper reports theoretical, simulated, and experimental results related to the development of a novel programmable impedance tuner offering high-voltage ...
Arnaud Curutchet +6 more
openaire +1 more source
Logistics‐Grade UHF RFID Tag Design via Surrogate‐Guided Bayesian Optimisation
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
Method of the coordination of the antenna on two it is considerable the spaced apart frequencies
In article the method of the coordination of the antenna on two considerably spaced apart frequencies is considered. Edge conditions of usage of the given method are defined and examples of calculation of lengths of the matching transformer and idling ...
V.A. Neganov +3 more
doaj
In this paper, a compact dual-polarized ultra-wideband dipole antenna is realized by exciting three resonant modes using double-loop (DL) dipoles with stepped exponential-shaped (ES) arms.
Yaohui Zhang +4 more
doaj +1 more source
Circuit‐Theoretic Modeling and Simulation Study of Near‐Field MIMO Arrays of Dipole Antennas
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
Compact printed high rejection triple band-notch UWB antenna with multiple wireless applications
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
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
Antena Mikrostrip Circular Array Dual Frekuensi
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
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

