نتایج جستجو برای: quatrature amplitude modulation
تعداد نتایج: 234755 فیلتر نتایج به سال:
This paper proposes a transmitter system based on direct antenna amplitude-shift keying modulation for point-to-point microwave link. The proposed is formed from conventional microstrip and novel reconfigurable metasurface layer (RMSL). RMSL has two states: OFF (or Logic-0) ON Logic-1) where each switching scenario provides certain gain level. achieved through controlling the configuration to c...
As a revolutionary three-dimensional imaging technique, holography has attracted wide attention for its ability to photographically record a light field. However, traditional phase-only or amplitude-only modulation holograms have limited image quality and resolution to reappear both amplitude and phase information required of the objects. Recent advances in metasurfaces have shown tremendous op...
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