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IPFS News Link • Military

China may have developed new tech for uncovering hidden submarines

• myNews.com

China has tested the world's first submarine-detecting device based on next-generation communication technology, according to researchers.

The terahertz device identified extremely small surface vibrations produced by a low-frequency sound source in the open sea, scientists involved in the experiment said.

These ripples were as tiny as 10 nanometres tall, well below the detection range of existing technology.

Tracking and analysing these waves can not only help find the submarine but also gather critical intelligence, such as noise signature or the submarine model, according to the researchers.

The technology "will have significant application potential in underwater vessel detection and other areas", said the project team with the National University of Defence Technology. Their work was published on August 11 in the Journal of Radars, a Chinese-language peer-reviewed journal

Terahertz is a frequency range between microwave and infrared radiation. Terahertz technology has been proposed as a potential solution for achieving high data rates and low latency for the next generation of communication technology, or 6G.

Electromagnetic signals in this range not only carry a lot more information than existing communication methods but can collect information about the environment. Some airports in China, for instance, use terahertz screening devices to detect illegal items concealed under passenger's clothes.

Generating powerful terahertz signals used to be difficult but thanks to an increasing investment in 6G in recent years, scientists in China and other countries have achieved breakthroughs that make mass application of the technology possible.


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