Results 191 to 200 of about 22,406 (266)

Terahertz Waveform‐Selective Antenna Using a Patch Structure Loaded with Nonlinear Circuits

Advanced Photonics Research, EarlyView.
A waveform‐selective antenna that integrates the functions of waveform selectivity, electromagnetic shielding, and EM wave radiation has been proposed. By integrating different nonlinear circuits and selecting appropriate component values, the antenna can achieve high reflection of either a pulse wave or a continuous wave, while allowing the other ...
Zeting Li, Kai‐Da Xu, Pin Wen
wiley   +1 more source

Design and analysis of a multi-layer circuit absorber with ultra-wideband and polarization insensitivity. [PDF]

Sci Rep
Ghafourivayghan M, Shabunin S.
europepmc   +1 more source

Inverse‐Designed on‐Chip Terahertz Three‐Channel Mode and Wavelength Division Demultiplexer

Advanced Photonics Research, EarlyView.
An ultracompact terahertz demultiplexer is developed using a hybrid inverse design that combines genetic algorithms with topology optimization. The device enables simultaneous mode‐ and wavelength‐division multiplexing within a footprint smaller than two wavelengths.
Faqian Chong, Yulun Wu, Bingtao Gao, Shilong Li, Hongsheng Chen, Song Han   +5 more
wiley   +1 more source

Enhanced spectrum sensing for 5G and LTE signals using advanced deep learning models and hyperparameter tuning. [PDF]

Sci Rep
Elmorsy SMA, Osman SM, Gamel SA.
europepmc   +1 more source

Multitasking Smart Intestinal Capsule Robot: A Cutting‐Edge Platform for Sampling, Diagnosis, and Therapy

Advanced Robotics Research, EarlyView.
Gut microbiota and biomarkers are linked to diseases like neurological disorders and metabolic syndromes. Ingestible capsule robots enable minimally invasive gut health assessment. This article proposes a promising direction for the advancement of capsule robots, integrating in situ sampling, real‐time diagnostics, and personalized therapy.
Xizong Chen, Libing Huang, Lei Ren, Miao Wang   +3 more
wiley   +1 more source

Quasi-Bound States in the Continuum-Enabled Wideband Terahertz Molecular Fingerprint Sensing Using Graphene Metasurfaces. [PDF]

Nanomaterials (Basel)
Zhao J, Wang J.
europepmc   +1 more source

Artificial Tactile Perception System for Exploring Internal and External Features of Objects via Time‐Frequency Features

Advanced Science, EarlyView.
By engaging in different active exploration behaviors, the tactile perception system can generate distinct signal modes, enabling the application of targeted decoding strategies for efficient and accurate perception of both external and internal object features.
Yuanzhi Zhou, Jingqi Zhang, Linyi Li, Muxing Huang, Ziyi Zhang, Xingmin Lu, Zilan Li, Xuchun Gui, Xinming Li   +8 more
wiley   +1 more source

Intelligent Anti-Jamming Decision-Making Technology Based on Knowledge Graph and DQN. [PDF]

Sensors (Basel)
Ni D, Liu X, Du J, Wu Y, Zhou C, Wang C, Xiao H.   +6 more
europepmc   +1 more source

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

Advanced Science, EarlyView.
Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao, Ata Golparvar, Mohammad Javad Bathaei, Filipe Arroyo Cardoso, Clementine M. Boutry   +4 more
wiley   +1 more source

Multi-band high-frequency antenna for satellite, automotive radar, and 6G communication. [PDF]

Sci Rep
Yadav SV, Yadav MV, Yadav D, Soni GK.
europepmc   +1 more source