Results 81 to 90 of about 2,718,558 (296)

Wavelet analysis function of changing average work amounts in monolithic construction

open access: yesMATEC Web of Conferences, 2016
In work periodicity of impact of various external and internal factors on function of changing average work amounts and extent of various factors influence on the process of monolithic construction are defined by wavelet transform. Basic data are data on
Simankina Tatiana   +2 more
doaj   +1 more source

The Clifford-Laguerre Continuous Wavelet Transform

open access: yesBulletin of the Belgian Mathematical Society - Simon Stevin, 2004
The authors construct certain Clifford-Laguerre polynomials by taking monogenic extensions (higher dimensional Euclidean vector-valued analogues of holomorphic functions) of Laguerre polynomials. One begins with Clifford-Heaviside functions \[ P^{\pm}(x)=\frac{1}{2}\Bigl(1+i\frac{x}{| x| }\Bigr),\qquad x=\sum_{j=1}^n e_j x_j, \] where the standard ...
Brackx, Fred   +2 more
openaire   +3 more sources

Bio‐Inspired Artificial Ionic Mechanoreceptor

open access: yesAdvanced Functional Materials, EarlyView.
A skin‐inspired artificial mechanoreceptor based on ionic interactions is presented for biomimetic tactile sensing. Pressure‐driven ionic redistribution within microfluidic channels generates a self‐powered electrical signal without external bias. The generated waveform exhibits mechanoreceptor‐like temporal features, including overshoot and undershoot,
Mohammad Akbari   +4 more
wiley   +1 more source

Kinetics‐Controlled Architecture of Binder‐Free Organic Electrodes for Enhanced Ion Transport

open access: yesAdvanced Functional Materials, EarlyView.
Pulse reverse electrodeposition controls nucleation and growth to create hierarchically porous Py‐derived oligomeric electrodes with enhanced ionic accessibility and reduced transport resistance. The resulting binder‐free architectures translate these transport advantages into practical sodium‐storage functionality.
Satendra Kumar   +1 more
wiley   +1 more source

The Continuous Wavelet Transform and Symmetric Spaces

open access: yesActa Applicandae Mathematica, 2003
The continuous wavelet transform has become a widely used tool in applied science during the last decade. In this article we discuss some generalizations coming from actions of closed subgroups of $\mathrm{GL}(n,\mathbb{R})$ acting on $\mathbb{R}^n$. In particular, we propose a way to invert the wavelet transform in the case where the stabilizer of a ...
Fabec, R., Ólafsson, G.
openaire   +2 more sources

2D Skeletal Muscle Thin Film Actuators Enhance Efficiency of Biohybrid Robots

open access: yesAdvanced Functional Materials, EarlyView.
2D skeletal muscle thin film actuators generate millinewton‐scale forces and millimeter‐scale strokes while remaining functional for over 30 days. Their force density is 20‐fold higher than 3D skeletal muscle actuators, enabling multi‐fin robots with tunable speed and multidirectional steering.
Maheera Bawa   +5 more
wiley   +1 more source

A Note on Directional Wavelet Transform: Distributional Boundary Values and Analytic Wavefront Sets

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2012
By using a particular class of directional wavelets (namely, the conical wavelets, which are wavelets strictly supported in a proper convex cone in the k-space of frequencies), in this paper, it is shown that a tempered distribution is obtained as a ...
Felipe A. Apolonio   +2 more
doaj   +1 more source

Discrete linear canonical wavelet transform and its applications

open access: yesEURASIP Journal on Advances in Signal Processing, 2018
The continuous generalized wavelet transform (GWT) which is regarded as a kind of time-linear canonical domain (LCD)-frequency representation has recently been proposed.
Jiatong Wang   +3 more
doaj   +1 more source

Continuous wavelet transform in hydroacoustics signals analysis [PDF]

open access: yes, 2011
Paper presents method of Continuous Wavelet Transform (CWT) used in process of hydroacoustics signals analysis. The continuous wavelet transform can be used to produce spectrograms which show the frequency content of signals as a function of time.
Zak, A.
core  

Rapid Microwave Plasma Engineering of HfO2/C@C Core‐Shell Fibrous Membrane Toward Flexible High‐Performance Electromagnetic Wave Absorption

open access: yesAdvanced Functional Materials, EarlyView.
Rapid microwave plasma torch engineering tunes crystal phases, carbon graphitization and oxygen‐vacancy defects in HfO2/C@C core‐shell fibrous membranes. Synergistic multi‐loss effects optimize impedance matching to deliver −65.75 dB reflection loss and a 7.37 GHz effective bandwidth for flexible electromagnetic wave absorption.
Qichao Ding   +14 more
wiley   +1 more source

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