Results 41 to 50 of about 500,244 (287)

An ultra‐wideband low‐profile antenna for long‐term evolution/5G new radio sub‐6G applications

Electronics Letters, 2022
An ultra‐wideband dual‐polarized antenna with a low profile is proposed for base‐station applications. The dual‐polarized antenna consists of two crossed dipoles, a square patch, and a square meta‐surface.
Yuehui Cui, Zhenxing Tu, RongLin Li
doaj   +1 more source

Ultra-Wideband Channel Modeling for Hurricanes [PDF]

2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), 2017
Paper accepted in Proc.
Wahab Khawaja, Ismail Güvenç, Arindam Chowdhury   +2 more
openaire   +3 more sources

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

A 180 nm CMOS dual-mode LNA with current reuse and double-resonance load for 2.4 GHz and 3.1–10.6 GHz wireless communication

Scientific Reports
This paper presents the design and post-layout analysis of a dual-mode low-noise amplifier (LNA) operating in both narrowband (2.4 GHz) and ultra-wideband (3.1 GHz–10.6 GHz) frequency ranges, aimed at wireless communication applications.
Thammaneni Snehitha Reddy, Vijay Nath
doaj   +1 more source

Method of estimation of frequency parameters of ultra-wideband signals with an unknown spectrum shape in the presence of interference

Физика волновых процессов и радиотехнические системы
Background. One of the urgent tasks of processing ultra-wideband signals is the assessment of their frequency parameters in complex signal-noise conditions. Aim.
The Tuan Doan, Pavel A. Trifonov
doaj   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

Advanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti, Sergio Martínez‐Saiz, Morena Cervino, Edoardo Stanzani, Sandra Jenatsch, Qingsen Zeng, Joo Sung Kim, Dong‐Hyeok Kim, Eojin Yoon, Tae‐Woo Lee, Daniel Tordera, Henk J. Bolink   +11 more
wiley   +1 more source

A Compact Planar Monopole UWB MIMO Antenna for Short-Range Indoor Applications

Sensors, 2023
A compact, four-element planar MIMO (Multiple Input, Multiple Output) antenna that operates in an ultra-wideband is presented for diversity application.
Shanmugam Kolangiammal, Loganathan Balaji, Miroslav Mahdal   +2 more
doaj   +1 more source

Ultra-wideband SAR Tomography on asteroids

Radio Science, 2020
Our knowledge of the internal structure of asteroids is currently indirect and relies on inferences from remote sensing observations of surfaces. However, it is fundamental for understanding small bodies’ history and for planetary defense missions.
Oriane Gassot, Alain Herique, Wenzhe Fa, Jun Du, Wlodek Kofman   +4 more
openaire   +3 more sources

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

An Ultra-Wideband Frequency System for Non-Destructive Root Imaging

Sensors, 2018
Understanding the root system architecture of plants as they develop is critical for increasing crop yields through plant phenotyping, and ultra-wideband imaging systems have shown potential as a portable, low-cost solution to non-destructive imaging ...
Thomas Truong, Anh Dinh, Khan Wahid
doaj   +1 more source