Researchers in China have developed a reconfigurable intelligent surface (RIS) that harvests energy from enemy radar.
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China’s latest 6G experiment turns a classic vulnerability of stealth aircraft into an asset, capturing hostile radar pulses ...
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A reconfigurable intelligent surface (RIS) is a thin, engineered surface made of many small elements that can be tuned to control electromagnetic waves. Instead of acting like a plain reflector, an ...
Researchers from Southeast University have developed a novel amplifying and filtering reconfigurable intelligent surface ...