Results 81 to 90 of about 853,168 (246)

Printed Graphene Derivative Circuits as Passive Electrical Filters

open access: yesNanomaterials, 2018
The objective of this study is to inkjet print resistor-capacitor (RC) low pass electrical filters, using a novel water-based cellulose graphene ink, and compare the voltage-frequency and transient behavior to equivalent circuits constructed from ...
Dogan Sinar, George K. Knopf
doaj   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

New Current-Mode Notch and Allpass Filters with Single Current Difference Amplifier

open access: yesActive and Passive Electronic Components, 1996
A new configuration for realization of current-mode notch and allpass filters is presented. It can synthesize second-order notch and allpass filters using a single current difference (Norton) amplifier and at most eight passive RC one port elements ...
Muhammad Taher Abuelma'atti
doaj   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

Performance Evaluation of Sinusoidal Power Supplies for Ozone Generation in Water Purification Applications

open access: yesSensors
Ozone generation is a water disinfection method, superior to chlorine in terms of fewer byproducts and no residual taste. However, its high production cost limits its widespread adoption. This paper designs an ozone generation sinusoidal power supply for
Mostafa M. Shibl   +3 more
doaj   +1 more source

P. Pistor Stability Criterion for Recursive Filters

open access: yes, 2008
: A new criterion is derived that relates the stability of two-dimensional recursive filters to the properties of its cepstrum. It provides a procedure for the decomposition of unstable recursive filters having nonzero, nonimaginary frequency response ...
Convolutional Filters
core  

Energy-efficient pipelined bloom filters for network intrusion detection [PDF]

open access: yes, 2006
Software-based detection techniques are commonly used to identify the predefined signatures in network streams. However, the software-based techniques can not keep up with the speeds that network bandwidth increases.
Kocak, Taskin   +5 more
core   +1 more source

Analogue Adaptive Filters Using Wave Synthesis Technique

open access: yes, 2004
This paper describes new analogue adaptive filters based on wave synthesis technique. To facilitate simple adaptation process and stability checks, adaptive series and parallel wave adaptors with only one variable coefficient are developed including a ...
Xie, Yan, Al-Hashimi, Bashir
core   +1 more source

Digital Current-Control Schemes [PDF]

open access: yes, 2009
The paper is about comparing the performance of digital signal processor-based current controllers for three-phase active power filters. The wide use of nonlinear loads, such as front-end rectifiers connected to the power distribution systems for dc ...
Limongi, Leonardo   +3 more
core   +1 more source

Bacterial Cellulose‐Based Bilayer Passive Cooler for High‐Performance Radiative/Evaporative Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A sustainable bilayer passive cooler based on bacterial cellulose integrates radiative and evaporative cooling for efficient zero‐energy temperature reduction. The scalable, low‐carbon material shows strong potential for food preservation, low‐temperature storage, and cold‐chain logistics.
Yibing Zhang   +6 more
wiley   +1 more source

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