Results 281 to 290 of about 67,964 (307)
Some of the next articles are maybe not open access.

Radiation pattern synthesis for a prolate spheroidal antenna

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2017
An antenna is designed consisting of axial surface currents on a prolate spheroidal metallic surface. The dual orthogonality of the prolate spheroidal wave functions is utilized to synthesize a far field radiation pattern which best approximates a desired far field pattern for a given arbitrary superdirective ratio.
Marco D Poort, Piergiorgio LE Uslenghi
openaire   +1 more source

Radiation Pattern Control of Spherical Antenna

2006 3rd International Conference on Ultrawideband and Ultrashort Impulse Signals, 2006
The results of theoretical and experimental reseach of irradiation shift influence on radiation pattern are prepared. Scanning limits of antenna beam are determined. Some recommendations for scanning shperical antennas projecting are given.
M. I. Redin, Yu. N. Tywuk, S. Nesteruk
openaire   +1 more source

FSS based Radiation Pattern Decorrelator for MIMO Antenna

2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2018
This work presents a novel technique to reduce the correlation coefficient between adjacent antenna elements in a multiple-input-multiple-output (MIMO) configuration. The proposed technique utilizes a phase-gradient frequency selective surface (FSS) as a superstrate in a Fabry-Perot cavity configuration, which tilts the beam of individual elements in ...
Tayyab Hassan   +2 more
openaire   +2 more sources

Cosmology with the Laser Interferometer Space Antenna

Living Reviews in Relativity, 2023
Germano Nardini
exaly  

Metamaterial mechanical antenna for very low frequency wireless communication

Advanced Composites and Hybrid Materials, 2021
Jianchun Xu, Jinqing Cao, Shaolong Yang
exaly  

Dual-band piezoelectric artificial structure for very low frequency mechanical antenna

Advanced Composites and Hybrid Materials, 2022
Jinqing Cao, Jianchun Xu, Chuwen Lan
exaly  

Prototype Antenna Radiation Pattern Measurement System

This prototype is a low-cost, open-source antenna measurement system based on Software-Defined Radio (SDR) and Raspberry Pi devices. It enables automated azimuthal and elevational rotation of an antenna using a stepper motor, and features synchronized signal data acquisition via the bladeRF platform. Signal processing and post-processing techniques are
openaire   +1 more source

A Survey on Multiple-Antenna Techniques for Physical Layer Security

IEEE Communications Surveys and Tutorials, 2017
Xiao-ming Chen   +2 more
exaly  

Light Absorption and Energy Transfer in the Antenna Complexes of Photosynthetic Organisms

Chemical Reviews, 2017
Jessica M Anna   +2 more
exaly  

Radiation-pattern control of Cassegrain antennas

IEE Proceedings H Microwaves, Antennas and Propagation, 1987
openaire   +1 more source

Home - About - Disclaimer - Privacy