Results 91 to 100 of about 521,797 (371)
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Anomaly target detection methods for hyperspectral images (HSI) often have the problems of potential anomalies and noise contamination when representing background.
C. Zhao +4 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.Most matter is nominally frozen in the polar regions or space, and liquid crystal materials are no exception. Consequently, soft actuators, including liquid crystal elastomers (LCEs), are inoperative under such extreme cold in response to stimuli, as their motion relies on mechanical deformation.
Hyeonseong Kim +5 more
wiley +1 more source
Facile Tri‐Metallic Catalyst Fabrication Using the Dynamic Hydrogen Bubble Template method
Advanced Functional Materials, EarlyView.Porous metal catalysts are prepared using hydrogen bubbles as a natural template. By carefully selecting metal combinations and thermal treatment, the researchers tailored surface composition and structure, boosting catalytic performance. The approach offers a powerful and flexible route to designing advanced materials for green energy Abstract ...
Carlos M. S. Lobo +11 more
wiley +1 more source
Abelian and Tauberian results for the fractional Fourier cosine (sine) transform
AIMS MathematicsIn this paper, we presented Tauberian type results that intricately link the quasi-asymptotic behavior of both even and odd distributions to the corresponding asymptotic properties of their fractional Fourier cosine and sine transforms.
Snježana Maksimović +4 more
doaj +1 more source
Joint Time-Vertex Fractional Fourier Transform [PDF]
Signal Processing, 2022 Tuna Alikaşifoğlu +3 more
semanticscholar +1 more source
Defect Analysis of the β– to γ–Ga2O3 Phase Transition
Advanced Functional Materials, EarlyView.The role of defects at all the relevant stages of the β$\beta$‐ to γ$\gamma$‐Ga2O3 polymorph transition is investigated using a multi method approach. The positron annihilation spectroscopy based results show that the defect density decreases after the transition, and that changes in defect configuration within the γ phase occur with increasing ...
Umutcan Bektas +9 more
wiley +1 more source
Satellite based band features change detection using discrete fractional Fourier transform [PDF]
علوم زمین خوارزمی, 2023 Changes in earth surface features may occur due to internal or external changes. However, regardless of the origin of the change, detection and monitoring of these changes will contribute to environmental planning for sustainable development and optimal
raziyeh safa +2 more
doaj
Bright Monocompound Metal Halide Scintillator for Fast Neutron Radiography
Advanced Functional Materials, EarlyView.Metal halide scintillator, tetraphenylphosphonium manganese bromide (TPP2MnBr4), provides a significant benefit for fast neutron imaging. A fourfold increase in efficiency over traditional zinc sulfide screens is achieved by efficiently utilizing neutron interactions within its homogeneous structure.
Aditya Bhardwaj +13 more
wiley +1 more source
Parameter Estimation of Chirp for Underwater Acoustic Channel
MATEC Web of Conferences, 2018 To overcome the performance degradation of conventional Chirp parameters estimation methods in underwater acoustic multipath channels, a novel parameters estimation method based on Fractional Fourier transform (FRFT) and Fourier transform (FFT) was ...
Junhui FAN, Hua PENG, Chi WEI
doaj +1 more source
A study on fractional differential equations using the fractional Fourier transform
Advances in Difference Equations, 2020 This study aims to use the fractional Fourier transform for analyzing various types of Hyers–Ulam stability pertaining to the linear fractional order differential equation with Atangana and Baleanu fractional derivative.
Porpattama Hammachukiattikul +6 more
doaj +1 more source