Results 261 to 270 of about 11,483 (315)

A Novel Water-Cut Sensing Method for a Multiphase-Flow Pipeline Using a Ridged-Horn Antenna. [PDF]

Sensors (Basel)
Zhu G, Feng J, Zhang Y, Sun X, Liang S, Wang B, Gao M.   +6 more
europepmc   +1 more source

Multifunction plasma genus holographic antenna for near/far-field focusing using a single structure. [PDF]

Sci Rep
Eltresy NA, Malhat HA, Deen SZ, Badawy MM.   +3 more
europepmc   +1 more source

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The Planar Parabolic Optical Antenna

Nano Letters, 2012
One of the simplest and most common structures used for directing light in macroscale applications is the parabolic reflector. Parabolic reflectors are ubiquitous in many technologies, from satellite dishes to hand-held flashlights. Today, there is a growing interest in the use of ultracompact metallic structures for manipulating light on the ...
David T, Schoen, Toon, Coenen, F Javier, García de Abajo, Mark L, Brongersma, Albert, Polman   +4 more
openaire   +2 more sources

The planar lateral wave antenna

Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, 2012
A novel planar lateral wave antenna concept that promises impedance matching over factor a one to three bandwidth, very high efficiency, and high directivity in one plane in presented. The structure realizes a planar elliptical dielectric lens antenna for focusing the beams in the H-plane.
Tokan, Fikret, Türker Tokan, Nurhan, Neto, Andrea   +2 more
openaire   +2 more sources

Spiral Planar Antenna for MIMO

2018 IEEE 7th Global Conference on Consumer Electronics (GCCE), 2018
A high gain spiral planar antenna for the multiple-input and multiple-output (MIMO) is proposed and fabricated in the frequency band of 2.4GHz. Its maximum and average gains are higher than those of the commercialized antenna. Two fabricated antennas are put adjacent to the same and reverse direction, and MIMO antennas are composed.
Reito Arasawa, Koichi Karasawa, Kazuki Ashida, Takahisa Karakama, Tutomu Kaneko   +4 more
openaire   +1 more source

Topology Optimization of Planar Antennas for Wideband Near-Field Coupling

IEEE Transactions on Antennas and Propagation, 2015
We present an approach to design from scratch planar microwave antennas for the purpose of ultra-wideband (UWB) near-field sensing. Up to about 120 000 design variables associated with square grids on planar substrates are subject to design, and a ...
Emadeldeen Hassan, Robin Augustine, Eddie Wadbro   +2 more
exaly   +2 more sources