Multitask bidirectional digital coding metasurface for independent controls of multiband and full-space electromagnetic waves [PDF]
Nanophotonics, 2022 Full-space metasurfaces demonstrate powerful abilities in manipulating electromagnetic (EM) waves, but most of them are usually single band. Here, a multiband bidirectional digital coding metasurface is proposed for multiple tasks, which can achieve ...
Wu Liang Wei +6 more
doaj +3 more sources
Macroscopic model and statistical model to characterize electromagnetic information of a digital coding metasurface [PDF]
National Science Review, 2023 ABSTRACT A digital coding metasurface is a platform connecting the digital space and electromagnetic wave space, and has therefore gained much attention due to its intriguing value in reshaping wireless channels and realizing new communication architectures.
Jun Wei Wu, Qiang Cheng, Tie Jun Cui
exaly +4 more sources
Convolution operations on time-domain digital coding metasurface for beam manipulations of harmonics [PDF]
Nanophotonics, 2020 Time-domain digital coding metasurfaces have been proposed recently to achieve efficient frequency conversion and harmonic control simultaneously; they show considerable potential for a broad range of electromagnetic applications such as wireless ...
Zhang Cheng +10 more
doaj +3 more sources
Digital coding metasurface for Multi-Beam and Multi-Mode OAM in Full-Space
Results in Physics, 2023 A digital coding metasurface is proposed to generate multi-beam and multi-mode orbital angular momentum (OAM) wave in the full space. The 3-bit coding elements are designed for multifunctional integrated digital coding metasurface (MIDCMS) based on the ...
Xiaobin Liu +4 more
doaj +4 more sources
Cross-eye jamming method based on 1-bit digital coding metasurface [PDF]
iScienceSummary: Monopulse radar angle measurement technology is crucial for modern missile precision guidance systems due to its high accuracy and real-time capabilities. Cross-eye jamming (CEJ) is recognized as one of the most effective countermeasures against
Zehao Wang +5 more
doaj +4 more sources
Radar Micro‐Doppler Signature Generation Based on Time‐Domain Digital Coding Metasurface [PDF]
Advanced ScienceMicro‐Doppler effect is a vital feature of a target that reflects its oscillatory motions apart from bulk motion and provides an important evidence for target recognition with radars.
Si Ran Wang +10 more
doaj +3 more sources
Asynchronous Space‐Time‐Coding Digital Metasurface
Advanced Science, 2022 Recent progress in space‐time‐coding digital metasurface (STCM) manifests itself a powerful tool to engineer the properties of electromagnetic (EM) waves in both space and time domains, and greatly expands its capabilities from the physical manipulation ...
Si Ran Wang +4 more
doaj +3 more sources
Direct Transmission of Digital Message via Programmable Coding Metasurface
Research, 2019 In modern wireless communications, digital information is firstly converted to analog signal by a digital-analog convertor, which is then mixed to high-frequency microwave to be transmitted through a series of devices including modulator, mixer ...
Tie Jun Cui +3 more
doaj +4 more sources
Representing Quantum Information with Digital Coding Metasurfaces [PDF]
Advanced Science, 2020 With the development of science and technology, the way to represent information becomes more powerful and diversified. Recent research on digital coding metasurfaces has built an alternative bridge between wave‐behaviors and information science ...
Guo Dong Bai, Tie Jun Cui
doaj +3 more sources
Multifunctional Programmable Transmissive Metasurface with Phase and Amplitude Manipulation Capability [PDF]
Advanced ScienceDigital and programmable metasurfaces provide novel approaches to connect electromagnetic (EM) physics with information science for flexible EM wave manipulation and information modulation.
Hao Tian Shi +8 more
doaj +2 more sources