Ciencia y tecnología 

The technology to combat rogue drones is getting better

Fuente:  The Economist

Anti-drone technology is, nevertheless, improving. Indra, a big Spanish technology company, said it had completed extensive testing in “dangerous” places of an anti-drone system called Arms. Once the system’s sensitive radar has picked up a drone, arms uses infrared cameras to confirm and identify the type of drone. Electronic-warfare sensors then sweep the radio spectrum to determine what signals the drone is using...

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