Results 141 to 150 of about 31,467 (338)

Modern Reflectarray Antennas: A Review of the Design, State-of-the-Art, and Research Challenges

open access: yesIEEE Access
As communication technology advances, high-gain antennas are being investigated for a variety of long-distance applications. One such high gain antenna is reflectarray, it has combined advantageous characteristics of a reflector and phased array antennas.
J. Annal Joy   +5 more
doaj   +1 more source

Design and Experimental Demonstration of Compact Polarization Reconfigurable Antennas

open access: green, 2019
Ming‐Chun Tang   +3 more
openalex   +2 more sources

Vacuum–Laser Fabrication of Programmable Soft Actuators

open access: yesAdvanced Science, EarlyView.
A rapid and accessible fabrication strategy for inflatable soft actuators is presented, combining vacuum sealing with laser cutting of low‐cost thermoplastic pouches. The method enables precise sealing, fast fabrication, and programmable multi‐cell geometries.
Ashkan Rezanejad   +5 more
wiley   +1 more source

Review on the new antenna evolution for next generation Wi-Fi 7/8 systems

open access: yesTongxin xuebao
The evolution of antenna technologies in Wi-Fi systems was systematically reviewed in this study, with a focus on the state-of-the-art antenna technologies in Wi-Fi 7/8 systems.
DONG Yuandan   +3 more
doaj  

A High‐Performance and Fully Recyclable Supramolecular Nanofibrous Membrane for Multifunctional Air Filtration

open access: yesAdvanced Science, EarlyView.
A green, thermoreversible self‐assembly strategy yields a multifunctional and recyclable supramolecular nanofibrous membrane. Graphene oxide (GO) nanosheet acts as a heterogeneous nucleation‐templating agent, simultaneously modulating the supramolecular crystal packing while tailoring the nanofibrous architecture for elite performance.
Wenjing Sun   +6 more
wiley   +1 more source

Scan Performance and Reconfigurability of Agile Radiating Matrix Antenna Prototype [PDF]

open access: gold, 2015
Hussein Abou Taam   +6 more
openalex   +1 more source

Reconfigurable Intelligent Surface Assisted Massive MIMO with Antenna Selection [PDF]

open access: green, 2020
Jinglian He   +5 more
openalex   +1 more source

All‐in‐One Underwater Quality Evaluation Metamaterial With Mechanical Robustness, Sound Attenuation, and Diffuse Reflection

open access: yesAdvanced Science, EarlyView.
In this work, a bioinspired all‐in‐one underwater quality evaluation metamaterial, combining sound attenuation, diffuse reflection, and mechanical robustness, is proposed based on jumping spider locomotion and human skeletal biomechanics. Meanwhile, a CNN‑driven quality evaluation framework is established for theoretically dimension‐reduced ...
Hongze Li   +8 more
wiley   +1 more source

Design of a 2-Bit Reconfigurable UWB Planar Antenna Array for Beam Scanning Application [PDF]

open access: gold, 2023
Zuqi Fang   +6 more
openalex   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

open access: yesAdvanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy