Results 61 to 70 of about 639,224 (342)
Multiband Switchable Microwave Absorbing Metamaterials Based on Reconfigurable Kirigami–Origami
Advanced Functional Materials, EarlyView.A reconfigurable metamaterial featuring tunable microwave‐absorbing and load‐bearing performance is proposed. Stretchable kirigami and bistable origami configurations are integrated as actuating components, and the synergistic deformation mechanisms are systematically analyzed.
Weimin Ding +7 more
wiley +1 more source
A Liquid-Metal-Based Crossed-Slot Antenna With Polarization and Continuous-Frequency Reconfiguration
IEEE Open Journal of Antennas and Propagation, 2022 Aiming to the limitations of traditional reconfigurable antennas, this paper proposes a novel reconfigurable antenna that can achieve four polarizations and continuously-tunable frequency.
Yi Zhou +3 more
doaj +1 more source
Pattern reconfigurable patch array for 2.4 GHz WLAN systems [PDF]
, 2014 In this project, a pattern reconfigurable simple two patch array antenna has been designed and implemented to operate at a fixed frequency of 2.4 GHz for beam scanning purpose.
Abbak +5 more
core +1 more source
MIMO Evolution Beyond 5G Through Reconfigurable Intelligent Surfaces and Fluid Antenna Systems
Proceedings of the IEEE, 2022 With massive deployment, multiple-input–multiple-output (MIMO) systems continue to take mobile communications to new heights, but the ever-increasing demands mean that there is a need to look beyond MIMO and pursue the next disruptive wireless ...
Arman Shojaeifard +9 more
semanticscholar +1 more source
Pulse-Driven Self-Reconfigurable Meta-Antennas
Nature Communications, 2022 Abstract Wireless communications and sensing have notably advanced thanks to the recent developments in both software and hardware. Although various modulation schemes have been proposed to efficiently use the limited frequency resources by exploiting several degrees of freedom, antenna performance is essentially governed by frequency only ...
Daiju Ushikoshi +13 more
openaire +5 more sources
Two‐Dimensional Materials as a Multiproperty Sensing Platform
Advanced Functional Materials, EarlyView.Various sensing modalities enabled and/or enhanced by two‐dimensional (2D) materials are reviewed. The domains considered for sensing include: 1) optoelectronics, 2) quantum defects, 3) scanning probe microscopy, 4) nanomechanics, and 5) bio‐ and chemosensing.
Dipankar Jana +11 more
wiley +1 more source
Planar Inverted-F Antennas (PIFA) for multiband wireless applications [PDF]
, 2010 This is a post-print version of the article - Copyright @ 2010 IEEEA compact reconfigurable four bands Planar Inverted-F Antenna (PIFA) is presented for Digital Video Broadcasting – Handheld (DVB-H), Universal Mobile Telecommunications System (UMTS ...
AbuTarboush, HF, Nilavalan, R, Peter, T
core
Design Aspects of a Broadband Beam-Reconfigurable Leaky-Wave Antenna [PDF]
, 2016 Design aspects of a novel beam-reconfigurable pla-nar series-fed array are addressed to achieve beam steering with frequency tunability over a relatively broad bandwidth.
Abdo-Sánchez, Elena +5 more
core +1 more source
Advanced Functional Materials, EarlyView.The study proposes a 1‐bit programmable metasurface based on flip‐disc display, named flip‐disc metasurface (FD‐MTS). This new design enables ultralow energy consumption while maintaining coding patterns. It also exhibits high scalability and multifunctional flexibility.
Jiang Han Bao +8 more
wiley +1 more source
Design of Double Notch Band Half-Elliptical Shape Reconfigurable Antenna for UWB Applications [PDF]
Engineering and Technology Journal, 2019 A compact ultra-wideband (UWB) reconfigurable antenna with dual band-notched properties is presented in this paper. The dual notch band half – elliptical reconfigurable antenna is fed by (50 Ω) microstrip feed lines and it is printed above an FR-4 ...
Haydar Al-Tamimi, Salah O.
doaj +1 more source