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Xidian University's Team Successfully Tackles Real-Time Video Communication Challenges in Narrow-Bandwidth, Low-Signal Environments
2 day ago /
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Author：小编
At a staggering depth of 1,500 meters beneath the ocean's surface, communication between manned submersibles and their surface support vessels was traditionally restricted to basic text-based commands. However, in November 2025, a groundbreaking communication system installed on the 'Deep Sea Warrior' submersible accomplished, for the very first time, the seamless real-time transmission of video footage from the submersible's underwater cabin directly to the surface. This achievement stands as a remarkable milestone in the development of China's real-time video communication capabilities, particularly in scenarios characterized by extremely narrow bandwidths and weak signal channels.
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