Results 21 to 30 of about 16,047,575 (289)
High gain 30 ghz multi-band multi-faceted miniature antenna for 5g and cancer detection [PDF]
, 2021 This paper represents several designs of microstrip 3D antenna arrays suitable for fifth generation mobile communication systems as well as mm-Wave imaging systems for cancer detection. Antennas presented show improved characteristics in terms of compact
Madi, Mervat Akram +2 more
core +1 more source
International Journal of Antennas and Propagation, 2022 In this paper, a planar high-gain millimeter-wave (mmW) slotted substrate integrated waveguide (SIW) cavity antenna array with low sidelobe and grating lobe levels is proposed. The antenna consists of a slotted SIW resonator and an SIW transmission line (
Wenyu Ma +4 more
doaj +1 more source
Deployment verification of large CFRP helical high-gain antenna for AIS signals [PDF]
, 2011 Deployment verification of large CFRP helical high-gain antenna for AIS ...
Block, Joachim +9 more
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In-Flight Performance Monitoring of TerraSAR-X Active Phased Array Antenna [PDF]
, 2009 TerraSAR-X is a high resolution synthetic aperture radar (SAR) satellite launched in 2007. Its active phased array X-Band antenna hosts 384 transmit/receive modules (TRMs) controlling the beam shape and steering in azimuth and elevation.
Markus Bachmann +5 more
core +1 more source
Numerical investigation on compact multimode dielectric resonator antennas of very high permittivity [PDF]
, 2008 Two well known numerical techniques, the Finite Element Method (FEM) and the Finite Integration in Time Domain (FIT), have been applied to study a low volume high permittivity dielectric resonator antenna.
Rotaru, M. +4 more
core +1 more source
Multifunctional Partially Reflective Surface for Smart Blocks
Sensors, 2021 In general, a partially reflective surface (PRS) is mainly used to increase the gain of an antenna; some metallic objects placed on the PRS degrades the antenna performance because the objects change the periodic structure of the PRS.
Jae Hee Kim +4 more
doaj +1 more source
Reconfigurable wideband patch antenna for cognitive radio [PDF]
, 2009 Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, HF +14 more
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IET Microwaves, Antennas & Propagation, 2021 The authors propose an innovative double‐Xi‐shaped Chinese character artistic antenna backed by a high‐order‐mode cavity for 5G millimetre‐wave (mm‐wave) applications.
Botao Feng +2 more
doaj +1 more source
Contribution to the characterization and evaluation of multiple antenna systems for communications: prototyping, propagation and antenna perspective [PDF]
, 2007 The advent of new services and applications in mobile and wireless communications, most of them based on high data rates, is helping to reactivate the Telecommunication market.
García García, Laura
core +1 more source
3D Printed High Gain Complementary Dipole/Slot Antenna Array
Applied Sciences, 2018 By employing the complementary dipole antenna concept to the normal waveguide fed slot radiator, an improved antenna element with wide impedance bandwidth and symmetrical radiation patterns is developed.
Kwok Kan So +3 more
doaj +1 more source