In simple terms, amplitude is how strong or intense a wave is. It's plotted on a graph with time on the x-axis and amplitude ...

This novel telescope, with no moving parts, is composed of four 100-metre by 20-metre cylinders with an array of 512 radio receivers along each focus, leading to 2048 inputs into the high-power ...

Abstract: This study proposes an energy detector for a noncoherent impulse-radio UWB receiver ... sensor as a current to voltage converter. The proposed circuit dissipates 5.4 mW for a receiver ...

Abstract: Low-noise receivers for radio astronomy have been built using Pb alloy superconducting tunnel junction mixers operating at 4.5 K. They have been used for 85-115-GHz astronomy with ...

US aviation safety regulators are investigating a communications outage affecting flights approaching Denver International Airport earlier this week, the latest in a series of glitches that have put a ...

When: Congress passed the Budget Control Act in 2011, triggering a failsafe mechanism that suddenly reduced federal expenditures in 2013. Why it matters: An ill-fated attempt to reduce the federal ...

At about 1:30 in the afternoon on April 28, air-traffic controllers overseeing the busy airspace around Newark Liberty International Airport suddenly faced a frightening scenario. The chatter ...

It was a helpless feeling.” Without radar or radio, the controller said others handing the traffic quickly realized they could no longer control “anything that’s in the sky right now.” ...

Equipment outages at Newark Liberty International Airport's air traffic control center caused controllers to temporarily lose radar and radio communication with aircraft. Several controllers took ...

“We use floppy disks. We use copper wires,” he said. “The system that we’re using is not effective to control the traffic that we have in the airspace today.” In a letter to ...

Air traffic controllers temporarily lost communication with aircraft flying in and out of Newark Liberty International Airport in New Jersey last week, an incident that has continued to caus e ...