Results 81 to 90 of about 260,818 (322)

Design of Capacitive Wireless Power Transmission System in Seawater

open access: yesDEStech Transactions on Environment, Energy and Earth Sciences, 2020
As an emerging power supply method, wireless power transmission has attracted extensive attention from researchers at home and abroad. Since there is no direct contact of the wires, it is expected to solve the problem of power supply life of the underwater robot.
GUANG-QIANG YU, ZHEN GAO, NING LIU
openaire   +2 more sources

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

open access: yesAdvanced 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   +12 more
wiley   +1 more source

A critical review of compensation converters for capacitive power transfer in wireless electric vehicle charging circuit topologies

open access: yesGreen Energy and Intelligent Transportation
The compensation circuit plays a crucial role in the framework of Capacitive Power Transfer (CPT) in wireless Electric Vehicle (EV) charging schemes. Various wireless charging factors such as power transfer capacity, efficiency, and frequency depend on ...
Mohammad Amir   +3 more
doaj   +1 more source

A 24-GHz, +14.5-dBm fully integrated power amplifier in 0.18-μm CMOS [PDF]

open access: yes, 2005
A 24-GHz +14.5-dBm fully integrated power amplifier with on-chip 50-[ohm] input and output matching is demonstrated in 0.18-μm CMOS. The use of substrate-shielded coplanar waveguide structures for matching networks results in low passive loss and small ...
Hajimiri, Ali   +2 more
core  

A 24-GHz SiGe Phased-Array Receiver—LO Phase-Shifting Approach [PDF]

open access: yes, 2005
A local-oscillator phase-shifting approach is introduced to implement a fully integrated 24-GHz phased-array receiver using an SiGe technology. Sixteen phases of the local oscillator are generated in one oscillator core, resulting in a raw beam-forming ...
Guan, Xiang   +3 more
core   +1 more source

Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications

open access: yesAdvanced Materials, EarlyView.
Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo   +4 more
wiley   +1 more source

Energy Harvesting from the Stray Electromagnetic Field around the Electrical Power Cable for Smart Grid Applications

open access: yesThe Scientific World Journal, 2016
For wireless sensor node (WSN) applications, this paper presents the harvesting of energy from the stray electromagnetic field around an electrical power line. Inductive and capacitive types of electrodynamic energy harvesters are developed and reported.
Farid Ullah Khan
doaj   +1 more source

A current-driven six-channel potentiostat for rapid performance characterization of microbial electrolysis cells [PDF]

open access: yes, 2019
Knowledge of the performance of microbial electrolysis cells under a wide range of operating conditions is crucial to achieve high production efficiencies.
Molderez, Tom   +3 more
core   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

open access: yesAdvanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha   +14 more
wiley   +1 more source

Integrated Broadband Bowtie Antenna on Transparent Silica Substrate

open access: yes, 2016
The bowtie antenna is a topic of growing interest in recent years. In this paper, we design, fabricate, and characterize a modified gold bowtie antenna integrated on a transparent silica substrate.
Chen, Ray T.   +6 more
core   +1 more source

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