Results 121 to 130 of about 23,218,096 (294)

Evaluation of Morlet Wavelet Analysis for Artifact Detection in Low-Frequency Commercial Near-Infrared Spectroscopy Systems. [PDF]

open access: yesBioengineering (Basel), 2023
Bergmann T   +11 more
europepmc   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

Energy feature extraction and visualization of voltage sags using wavelet packet analysis for enhanced power quality monitoring

open access: yesScientific Reports
Power quality (PQ) disturbances, such as voltage sags, are significant issues that can lead to damage in electrical equipment and system downtime. Detecting and classifying these disturbances accurately is essential for maintaining reliable power systems.
M. S. Priyadarshini   +2 more
doaj   +1 more source

U.S. Core Inflation: A Wavelet Analysis [PDF]

open access: yes
This paper proposes the use of wavelet methods to estimate U.S. core inflation. It explains wavelet methods and suggests they are ideally suited to this task.
Cotter, John, Dowd, Kevin
core  

Local discriminant wavelet packet basis for texture classification [PDF]

open access: yes, 2003
Wavelet packets are well-known for their ability to compactly represent textures consiting of oscillatory patterns such as fingerprints or striped cloth.
Rajpoot, Nasir M. (Nasir Mahmood)
core  

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

Equity Indexes Analysis and Synthesis by Using Wavelet Transform

open access: yes
Light to equity indexes analysis is given using wavelet transforms (Direct Continuous Wavelet transform and Inverse Continuous Wavelet transform as well as Direct Discrete Wavelet Transform and Inverse Discrete Wavelet Transform).
Pučkovs, Andrejs
core  

Wavelet analysis of spatial coherent structures in the photosphere

open access: yes, 1999
In this work we present some applications of wavelet analysis to the dynamics of the photosphere as obtained from a good serie of high spatial resolution white light images taken at the Vacuum Tower Telescope (VTT) at the NSO/SPO in October 1996. The use
Berrilli, F   +7 more
core  

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

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