Results 71 to 80 of about 109,041 (287)

Data Immunity in Near Field Radio Frequency Communication Systems—NFC as an Aspect of Electromagnetic Information Security

open access: yesApplied Sciences
The NFC and MIFARE systems (referred to as HF-band RFID) are a special case of Radio Frequency Identification (RFID) technology using a radio frequency of 13.56 MHz for communication.
Andrzej Firlej   +2 more
doaj   +1 more source

Performance optimization aspects of common mode chokes [PDF]

open access: yes, 2007
Optimization aspects of common mode chokes are presented. These are based on a behavioral model for common mode chokes and its sensitivity study. Results are used to show the influence of the designable parameters on the final performance of the choke ...
Bergsma, H.   +4 more
core   +2 more sources

MXene/PEDOT Functional Coatings on Flexible Microelectrode Arrays for Multianalyte In Vivo Neurochemical Sensing and Electrophysiology

open access: yesAdvanced Functional Materials, EarlyView.
A MXene/PEDOT coating enables multimodal functionality and dual‐analyte detection of dopamine and serotonin in flexible microelectrode arrays while enhancing electrophysiological recording quality. The anti‐fouling, low‐impedance interface overcomes key limitations of conventional coatings, providing a robust and versatile platform to investigate the ...
Ilaria Gatti   +8 more
wiley   +1 more source

Characteristics of different charge transfer modes in upward flashes inferred from simultaneously measured currents and fields

open access: yesHigh Voltage, 2019
The authors present an analysis of different charge transfer modes during upward negative flashes. The analysis includes a total number of 94 pulses that occurred during two upward negative flashes recorded at the Säntis Tower.
Lixia He   +8 more
doaj   +1 more source

Time-Domain Finite Elements for Virtual Testing of Electromagnetic Compatibility [PDF]

open access: yes, 2013
The paper presents a time-domain finite-element solver developed for simulations related to solving electromagnetic compatibility issues. The software is applied as a module integrated into a computational framework developed within a FP7 European ...
Ciganek, J.   +6 more
core   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi   +3 more
wiley   +1 more source

Ultra-Wideband Filtering 180° Hybrid Coupler With Super Wide Upper Stopband Using Swap Phase Inverter and Electromagnetic Bandgap Structures on Double-Sided Parallel-Strip Line

open access: yesIEEE Access, 2018
In this paper, a multifunctional 180° hybrid coupler is proposed, with an ultra-wideband filtering response and a super wide upper stopband. The component, realized with double-sided parallel-strip line (DSPSL), is built up on the basis of a ...
Qiu-Sheng Shen   +3 more
doaj   +1 more source

Light‐Actuated Fiber‐Climbing Inchworm Robot Toward Endoluminal Navigation

open access: yesAdvanced Functional Materials, EarlyView.
A kirigami‐inspired soft inchworm robot harnesses optical energy from a customized side‐emitting optical fiber, guaranteeing its propulsion along the fiber body. The wavelength‐selective responsiveness of dye‐functionalized liquid crystal elastomers and the application of temporal illumination patterns enable sequential control of robot components. The
Antonio Lobosco   +6 more
wiley   +1 more source

Space shuttle lightning protection criteria document [PDF]

open access: yes
The lightning environment for design is defined and imposes the requirements that the design must satisfy to insure the protection of the space shuttle vehicle system from the direct and indirect effects of lightning.

core   +1 more source

NASA Applications for Computational Electromagnetic Analysis [PDF]

open access: yes, 2011
Computational Electromagnetic Software is used by NASA to analyze the compatibility of systems too large or too complex for testing. Recent advances in software packages and computer capabilities have made it possible to determine the effects of a ...
Krome, Mark E.   +3 more
core   +1 more source

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