Results 221 to 230 of about 50,323 (284)

A General and Efficient Framework for the Rapid Design of Miniaturized, Wideband, and High‐Bit RIS

Advanced Electronic Materials, EarlyView.
A general and efficient framework is proposed for the rapid design of high‐performance reconfigurable intelligent surfaces (RISs). This framework integrates advanced antenna design techniques and incorporates various load types, quantities, and values to achieve the design of high‐performance RISs.
Jun Wei Zhang, Zheng Xing Wang, Wanwan Cao, Zhen Jie Qi, Li Jie Wu, Han Qing Yang, Qun Yan Zhou, Si Ran Wang, Hui Dong Li, Jun Yan Dai, Jiang Luo, Jun Wei Wu, Jia Nan Zhang, Zhen Zhang, Qiang Cheng   +14 more
wiley   +1 more source

IReCAPTCHA: a robust image-reasoning CAPTCHA system. [PDF]

Cybersecur (Singap)
Das B, Prasad DK, Sekh AA.
europepmc   +1 more source

Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective

Advanced Electronic Materials, EarlyView.
Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe, Ivan Iudice, Giuseppe Castaldi, Marco Di Renzo, Vincenzo Galdi   +4 more
wiley   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source

Speckle-based curvature optical metrology. [PDF]

Light Sci Appl
Wang H, Shurvinton R, Pradhan P, Sawhney K.   +3 more
europepmc   +1 more source

Ergonomic Sponge Electrodes From Recycled PEDOT:PSS

Advanced Electronic Materials, EarlyView.
ABSTRACT Emerging technologies in human–machine interfacing increasingly aim to develop solutions that naturally conform to the body's unique characteristics. Ergonomics and electrical performance in cutaneous sensing are crucial for accurate and reliable translation of biosignals.
Matías Ceballos, Wei‐Ting Ting, Susanne Thümmler, Esma Ismailova   +3 more
wiley   +1 more source

Ultra-stable speckle-based optical fiber sensing demonstrated on an uncrewed aerial vehicle platform. [PDF]

Commun Eng
Falak P, King-Cline T, Maradi A, Lee T, Moog B, Maniewski P, Entwistle R, Beresna M, Holmes C.   +8 more
europepmc   +1 more source

Enhanced confocal microscopy with physics-guided autoencoders via synthetic noise modeling. [PDF]

Sci Rep
Ahmad Z, Shabeer J, Hidayat A, Saleem U, Qadeer T, Sami A, Khalidi ZE, Mehmood S, Pokharel S, Rana OA, Aydogan B, Muhammad W.   +11 more
europepmc   +1 more source

OPERA net Otsu driven performance enhanced image restoration algorithm. [PDF]

Sci Rep
Sharma P, Jarial P, Singla BS.
europepmc   +1 more source

SARCDNet-an enhanced deep learning network for change detection from bi-temporal SAR images. [PDF]

Sci Rep
Kevala VD, Mukundan V, Nedungatt S, Suresh S, Lal S.   +4 more
europepmc   +1 more source