Results 151 to 160 of about 181,285 (205)

A Compact Broadside Coupled Stripline 2-D Beamforming Network and Its Application to a 2-D Beam Scanning Array Antenna Using Panasonic Megtron 6 Substrate. [PDF]

Sensors (Basel)
Temga J, Shiba T, Suematsu N.
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Symmetrical Antenna Arrays

Proceedings of the IRE, 1945
Not ...
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Spiral antennas and antenna arrays

2005 IEEE Antennas and Propagation Society International Symposium, 2005
The planar square-Archimedean spiral located at the center of a dipole has been demonstrated as a valuable passive antenna element in the upper MM-wave and THz regions between about 100 GHz and 2 THz (Bjarnason, E. et al., Appl. Phys. Lett., vol.85, p.3983, 2004).
R.M. Bilotta, E.B. Brown
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Antenna design for a conformal antenna array demonstrator

2012 6th European Conference on Antennas and Propagation (EUCAP), 2012
Antenna arrays on aircrafts have several advantages if they will be integrated into the skin of the aircraft. However, conformal and structure integrated antennas are subject to aeordynamical loads which will cause vibrations and deformations of the antenna elements.
Loecker, Claudius, Knott, Peter, Sekora, Robert, Algermissen, Stephan   +3 more
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A Circular Fractal Antenna Array

2019 National Conference on Communications (NCC), 2019
In this paper, different arrays of the circular fractal antenna are analyzed. The various array design configurations are 1 $\times 2,1\times 4,2\times 2$ and $2\times 4$ . The substrate used is FR4 whose dimension is varied according to the array configurations.
Rahul Chauhan, Sanjeev Gupta
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Plasmonic nanoloop array antenna

Optics Letters, 2010
In this Letter, we create an optical nanoantenna array composed of parasitic plasmonic loops that can enhance radiation characteristics and direct the optical energy successfully. Three metallic loops inspired by the concept of the Yagi-Uda antenna are optimized around the region where they feature high scattering performance to control the radiation ...
Akram, Ahmadi, Hossein, Mosallaei
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Transient performance of array antennas

Proceedings of the IEEE, 1963
The transient performance of a uniformly excited, equal-spaced linear dipole array is evaluated under the assumption of constant radiated power over a finite frequency band. This approach permits the implicit evaluation of the effects of mutual coupling between array elements on transient performance.
J. DiFranco, W. Rubin
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Electromagnetic Cloaking for Antenna Arrays

2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2018
In this contribution, we discuss the potential of electromagnetic invisibility for antenna arrays. We focus our attention on a popular and widely-used parasitic array, i.e., the Yagi-Vda antenna, and we will show how electromagnetic cloaking enables tailoring its radiation pattern in several unprecedented manners.
Monti A., Barbuto M., Alu A., Toscano A., Bilotti F.   +4 more
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Local Calibration of Antenna Arrays

2018 52nd Asilomar Conference on Signals, Systems, and Computers, 2018
We consider a local calibration method which does not assume any specific model for the mismatch between the true and assumed array manifolds. The method is based on updating an initial array manifold locally, in the neighborhood of directions in which signals have been observed.
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