News tagged with antennae

New loss mechanism for global 4G roaming

A loss mechanism that has not been an issue in previous mobile handset antennas will become important for global 4G roaming, according to results of experiments carried out in Aalborg, Denmark.

Aug 19, 2014
4.4 / 5 (9) 1

A turbulent birth for stars in merging galaxies

(Phys.org) —Using state of the art computer simulations, a team of French astrophysicists have for the first time explained a long standing mystery: why surges of star formation (so called 'starbursts') ...

May 12, 2014
4.3 / 5 (7) 1

Antennae help flies 'cruise' in gusty winds

Due to its well-studied genome and small size, the humble fruit fly has been used as a model to study hundreds of human health issues ranging from Alzheimer's to obesity. However, Michael Dickinson, Esther ...

Apr 10, 2014
5 / 5 (1) 0

Catching signals from a speeding satellite

Soaring high above Earth as they speed through space, satellites are difficult targets to track. Now a new approach developed in Europe is helping ground stations to acquire signals faster and more accurately ...

Mar 07, 2014
5 / 5 (4) 0

Video: Sentinel-1A radar deployment

Testing the deployment of the Sentinel-1A radar antenna (in fast motion) in the cleanroom at Thales Alenia Space in Cannes, France. As the satellite is designed to operate in orbit, it is hung from a structure during tests ...

Jan 28, 2014
not rated yet 0

RF MEMS: New possibilities for smartphones

(Phys.org) —The antennas in most of today's smartphones do not function efficiently in 3G and 4G/LTE wireless environments. This leads to slower download speeds, reduced voice quality, lower energy efficiency ...

Jan 16, 2014
5 / 5 (4) 1 | with audio podcast