News tagged with antennae

Image: Drone antenna test

This 6 m-wingspan unmanned aircraft is supported in mid-air within ESA's Hertz radio-frequency test chamber, as if suspended in flight, to check it can maintain contact with its controller through satellite links.

dateJul 05, 2017 in Engineering
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Shocked gas in galaxy collisions

Collisions between galaxies, especially ones rich in molecular gas, can trigger bursts of star formation that heat the dust and result in their shining brightly in the infrared. Astronomers think that there is also significant ...

dateMay 01, 2017 in Astronomy
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Chu's Limit—a limit no more

Chu's Limit, a fundamental principle of electromagnetics, dictates that the bandwidth an antenna can function in has a maximum level proportional to the physical size of the antenna—the smaller the antenna, the smaller ...

dateFeb 23, 2017 in Engineering
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Keeping antennas at peak performance

Advanced statistical techniques developed by KAUST researchers have enabled an efficient method for detecting the partial antenna failures that can inconspicuously degrade mobile communications1.

dateJan 30, 2017 in Engineering
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