Satellite oversight: Ensuring Europe's renewable energy security from above
Researchers are using AI and satellite technologies to make the continent's renewable energy infrastructure more reliable.
Jul 11, 2024
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Researchers are using AI and satellite technologies to make the continent's renewable energy infrastructure more reliable.
Jul 11, 2024
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As infrastructure ages, it becomes more susceptible to failure, which can cause safety and mobility concerns for drivers and pedestrians, and economic woes for taxpayers.
Jun 7, 2024
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The new Tandem Dual-Antenna Spaceborne Synthetic Aperture Radar (SAR) Interferometry (TDA-InSAR) system, addresses the limitations of current spaceborne Synthetic Aperture Radar (SAR) systems by providing a more reliable ...
May 20, 2024
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Pacemakers, defibrillators, radar technology and electric vehicles all need electrical components called capacitors that can store and release a lot of energy in a matter of a few microseconds. Researchers at the University ...
Apr 25, 2024
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Researchers have unveiled a technology that propels the field of wireless communication forward. This cutting-edge design, termed a reconfigurable transmissive metasurface, utilizes a synergistic blend of scissor and rotation ...
Apr 22, 2024
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Inspired by the medical bay of the USS Enterprise from "Star Trek," a research team from the University of Waterloo uses radar technology to monitor people's health while at the wheel, turning an ordinary car or truck into ...
Mar 26, 2024
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A new assessment study identifies areas in Mexico City's metro system affected by land subsidence, providing a roadmap for mitigating damage, prioritizing repairs, and informing future designs for the metro's infrastructure.
Mar 21, 2024
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For the first time, visitors at the 2024 Olympic Games will be able to fly to venues using air taxis. Vertical takeoff aircraft such as drones, multirotors and air taxis will take off from and land on pads known as vertiports.
Feb 1, 2024
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A black sedan cruises silently down a quiet suburban road, driver humming Christmas carols quietly while the car's autopilot handles the driving. Suddenly, red flashing lights and audible warnings blare to life, snapping ...
Jan 31, 2024
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Have you ever noticed how sometimes the display on your vehicle's speedometer is different from the speed shown on the navigation app on your phone?
Nov 15, 2023
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Radar is an object detection system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain. The term RADAR was coined in 1941 as an acronym for radio detection and ranging. The term has since entered the English language as a standard word, radar, losing the capitalization. Radar was originally called RDF (Radio Direction Finder, now used as a totally different device) in the United Kingdom.
A radar system has a transmitter that emits microwaves or radio waves. These waves are in phase when emitted, and when they come into contact with an object are scattered in all directions. The signal is thus partly reflected back and it has a slight change of wavelength (and thus frequency) if the target is moving. The receiver is usually, but not always, in the same location as the transmitter. Although the signal returned is usually very weak, the signal can be amplified through use of electronic techniques in the receiver and in the antenna configuration. This enables radar to detect objects at ranges where other emissions, such as sound or visible light, would be too weak to detect. Radar is used in meteorological detection of precipitation, measuring ocean surface waves, air traffic control, police detection of speeding traffic, and by the military.
This text uses material from Wikipedia, licensed under CC BY-SA