Results 61 to 70 of about 181,285 (205)
Downlink calibration requirements for the TSUNAMI (II) adaptive antenna testbed [PDF]
, 1998 The TSUNAMI (II) project is an investigation into the use of adaptive antenna technology. The field trial system has been developed for the purposes of investigating the feasibility of implementing such a system using a GSM-1800 base station system.
Beach, MA, Simmonds, CM
core +2 more sources
Magnetoelectric Dipole Antenna Arrays [PDF]
IEEE Transactions on Antennas and Propagation, 2014 A planar magnetoelectric (ME) dipole antenna array is proposed and demonstrated by both full-wave analysis and experiments. The proposed structure leverages the operation of composite right/left-handed transmission lines under balanced conditions to form high-gain magnetic radiators, combined with radial conventional electric radiators, where the ...
Jiang, L, Gupta, S, Caloz, C
openaire +4 more sources
Synthesis of Antenna Arrays and Parasitic Antenna Arrays with Mutual Couplings [PDF]
International Journal of Antennas and Propagation, 2012 A synthesis method to design multielement antennas with couplings is presented. The main objective is to perform a rigorous determination of the electromagnetic characteristics involved in the design, especially with arrays of moderate sizes. The aim is to conceive jointly and efficiently the antenna and the circuits to connect (feed distribution ...
M. Thevenot +8 more
openaire +3 more sources
, 1986 Attention is called to the grid array as a possible useful antenna design for UHF clear air radars. This type of antenna integrates radiating elements and the feed network into a single structure so that a fairly large array can be driven from a single ...
Ecklund, W. L.
core +1 more source
Compact Planar Sparse Array Antenna with Optimum Element Dimensions for SATCOM Ground Terminals
International Journal of Antennas and Propagation, 2015 A novel antenna array architecture for low-cost and compact SATCOM mobile terminal is presented. Based on equal-amplitude aperiodic phased array with fewer active chain numbers, it possesses advantages including lower weight, less cost, and higher power ...
Junqi Lu, Yongxin Guo
doaj +1 more source
The TIANSHAN Radio Experiment for Neutrino Detection
, 2010 An antenna array devoted to the autonomous radio-detection of high energy cosmic rays is being deployed on the site of the 21 cm array radio telescope in XinJiang, China.
Abraham +46 more
core +5 more sources
SAMBA: Superconducting antenna-coupled, multi-frequency, bolometric array [PDF]
, 2002 We present a design for a multipixel, multiband (100 GHz, 200 GHz and 400 GHz) submillimeter instrument: SAMBA (Superconducting Antenna-coupled, Multi-frequency, Bolometric Array). SAMBA uses slot antenna coupled bolometers and microstrip filters.
Bock, James J. +6 more
core +1 more source
Comparing Mutual Coupling of Ring Metamaterial on Square and Vivaldi Array Antennas
Buletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2020 The antenna performance is seen from the S-parameter value. The S-parameter graph can be seen as the return loss (S11, S22) and the mutual coupling (S21, S12) value.
Petrus Kerowe Goran, Eko Setijadi
doaj +1 more source
Coaxial phased array antenna [PDF]
, 1980 A coaxial antenna array for communicating circularly polarized electromagnetic radiation is disclosed. A pair of open ended antenna cavities is coaxially constructed and operates by excitation of linear radiation elements arranged within each of the ...
Ellis, H., Jr.
core +1 more source
Compact UWB Monopole for Multilayer Applications [PDF]
, 2006 A novel compact, dual layer UWB monopole antenna is presented. This low profile ultra-wideband antenna is fed by a 50 ? shielded strip-line with an array of metal vias making the conducting walls.
Bai, Qiang +3 more
core +1 more source