Phase and amplitude simultaneously coding metasurface with multi-frequency and multifunctional electromagnetic modulations
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-72018-6
Abstract: The integration of multiple functionalities into a single, planar, ultra-compact metasurface has presented significant opportunities for enhancing capacity and performance within compact 5G/6G communication systems. Recent advances in multifunctional metasurfaces have unveiled comprehensive wavefront manipulations… read more here.
Keywords: metasurface multi; amplitude simultaneously; simultaneously coding; coding metasurface ... See more keywords
Ultra-wideband radar cross-section reduction based on phase cancellation
Sign Up to like & getrecommendations! Published in 2023 at "Electromagnetics"
DOI: 10.1080/02726343.2023.2206263
Abstract: ABSTRACT In this study, a 2-bit coding metasurface is proposed, which can achieve ultra-wideband radar cross section (RCS) reduction under arbitrary polarized incidences due to phase cancellation. In the design process of the 2-dit coding… read more here.
Keywords: coding metasurface; ultra wideband; phase; reduction ... See more keywords
A coding metasurface for reconfigurable multi-beams based on split I-shaped patch
Sign Up to like & getrecommendations! Published in 2024 at "Electromagnetics"
DOI: 10.1080/02726343.2024.2343300
Abstract: ABSTRACT In this paper, a type of reflective coding metasurface (MS) for reconfigurable multi-beams is proposed. The unit cell of MS is composed of a split I-shaped patch loaded with one varactor. By changing the… read more here.
Keywords: multi beams; unit; reconfigurable multi; metasurface reconfigurable ... See more keywords
A dual-frequency reflective coding metasurface achieving independent amplitude-phase control and its application for reflectarray
Sign Up to like & getrecommendations! Published in 2024 at "Electromagnetics"
DOI: 10.1080/02726343.2024.2443458
Abstract: ABSTRACT This letter proposes a novel dual-frequency reflective coding metasurface (CMS) composed of two types of improved C-shaped resonators. By loading a microstrip line and a ring, the electromagnetic (EM) coupling between the resonators is… read more here.
Keywords: frequency reflective; dual frequency; amplitude phase; reflective coding ... See more keywords
Design of resistor-loaded coding metasurface for independent amplitude and phase control
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2021.1908916
Abstract: Due to their subwavelength thickness, light weight and easy fabrication, metasurfaces show obvious advantages over 3D metamaterials. Among this, a new concept so-called digital coding metasurfaces which are described in a direct manner by quantized… read more here.
Keywords: phase; control; resistor loaded; design resistor ... See more keywords
Radar shielding jamming method based on random phase modulation of digital coding metasurface
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2024.2405674
Abstract: In this paper, a novel radar jamming method based on random phase modulation of digital coding metasurface was proposed. For typical radar system, the modulation model of coding metasurface and the echo model are deduced… read more here.
Keywords: method based; radar; jamming method; modulation ... See more keywords
High-accuracy beam generation and scanning using reconfigurable coding metasurface
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ad5aa9
Abstract: Metasurface technology has attracted widespread attention, owing to its remarkable capability to control electromagnetic properties. In this paper, we design a reconfigurable reflective metasurface array operating at 5 GHz for beam generation and scanning based… read more here.
Keywords: beam generation; beam; accuracy; coding metasurface ... See more keywords
Anisotropic hypocycloid inspired 3-bit digital coding metasurface for radar cross section reduction
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ad8932
Abstract: Recently, researchers have realized various exotic electromagnetic control devices using the coded metasurfaces, sparking a broad investigation into the phase or amplitude-based encoding method, as well as their combination, in the field of metasurface design.… read more here.
Keywords: cross section; digital coding; radar cross; coding metasurface ... See more keywords
An ultra-wideband 2-bit coding metasurface using Pancharatnam–Berry phase for radar cross-section reduction
Sign Up to like & getrecommendations! Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac11ec
Abstract: An ultra-wideband 2-bit coding metasurface is designed for radar cross-section (RCS) reduction. The design process is presented in detail, in which a polarization conversion metasurface (PCM) is first proposed. The proposed PCM can realize ultra-wideband… read more here.
Keywords: metasurface; ultra wideband; coding metasurface; bit coding ... See more keywords
MetaDetection: wireless intelligent detection of multiliquids by using space-time-coding metasurface
Sign Up to like & getrecommendations! Published in 2025 at "National Science Review"
DOI: 10.1093/nsr/nwaf245
Abstract: ABSTRACT The increasing demand for public safety has created an urgent need for high-performance technologies capable of detecting hazardous liquids with high accuracy, efficiency, and cost-effectiveness. Conventional liquid detection methods often fall short in addressing… read more here.
Keywords: detection; wireless intelligent; metadetection wireless; intelligent detection ... See more keywords
Design of Coding Metasurface Units Based on a New Deep Deterministic Policy Gradient Algorithm
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2024.3427138
Abstract: In this letter, a design method of broadband digital coding metasurface units based on a novel deep deterministic policy gradient (DDPG) algorithm is proposed. And a reflective-coded metasurface unit with a surface structure randomly arranged… read more here.
Keywords: deep deterministic; algorithm; units based; metasurface units ... See more keywords