Results 181 to 190 of about 4,708,954 (364)

On the summability of Fourier series [PDF]

Transactions of the American Mathematical Society, 1937
openaire   +4 more sources

Advancing Electrochemical Nitrate Reduction: Overcoming Rate‐Limiting Bottlenecks with Copper/Cobalt Catalysts

Advanced Functional Materials, EarlyView.
This paper synthesizes CuO@CuCo2O4 catalysts via an emulsion hydrothermal method. Among them, CuCuCo2O4 perfectly inherits the advantages of CuO and Co3O4 and successfully connects the reactions in series. During the electrolysis process, CuO is reduced to Cu.
Jin Li, Yuan Wang, Xiujing Xing, Yang Wang, Wei Xiong, Hao Li   +5 more
wiley   +1 more source

Comparing deep learning and Fourier series models for equipment failure prediction in predictive industrial maintenance 4.0. [PDF]

Sci Rep
Abouloifa H, Bahaj M.
europepmc   +1 more source

Some inequalities for Cesàro means of double Vilenkin-Fourier series. [PDF]

J Inequal Appl, 2018
Tepnadze T, Persson LE.
europepmc   +1 more source

Features of the “Fourier Analysis” Option in the Excel Spreadsheet When Performing Spectral Analysis and Identifying Periodic Patterns in the Time Series of Economic Indicators

, 2023
G. Popov
openalex   +1 more source

Design and Applications of Multi‐Frequency Programmable Metamaterials for Adaptive Stealth

Advanced Functional Materials, EarlyView.
This article provides a comprehensive overview of metamaterials, including their fundamental principles, properties, synthesis techniques, and applications in stealth, as well as their challenges and future prospects. It covers topics that are more advanced than those typically discussed in existing review articles, while still being closely connected ...
Jonathan Tersur Orasugh, Ankita Mohanty, Amit Malakar, Suryasarathi Bose, Suprakas Sinha Ray   +4 more
wiley   +1 more source

The virtual prism represents the decentration component of the first-order term in a Fourier series of the corneal refractive power. [PDF]

Sci Rep
Danjo Y.
europepmc   +1 more source

Fourier Series Analysis for Novel Spatiotemporal Pulse Waves: Normal, Taut, and Slippery Pulse Images. [PDF]

Evid Based Complement Alternat Med, 2019
Peng B, Luo CH, Sinha N, Tai CC, Xie X, Xie H.   +5 more
europepmc   +1 more source

Microfluidic Synthesis of Channel‐Rich Pd‐Cu Alloy Nanodendrites for Efficient Electrocatalytic CO2 Reduction to Formate

Advanced Functional Materials, EarlyView.
A microfluidic system enables the rapid, room‐temperature fabrication of channel‐rich Pd‐Cu alloy nanodendrites with tunable composition, uniform morphology, and finely branched internal structures. The resulting catalysts exhibit over 90% formate selectivity across a broad potential window, along with excellent CO tolerance and enhanced long‐term ...
Xintong Huang, Xude Yu, Hengyuan Liu, Shunkai Xia, Yongqi Jia, Zhuo Chen, Jianhong Xu, Younan Xia   +7 more
wiley   +1 more source

A Virtual In-Cylinder Pressure Sensor Based on EKF and Frequency-Amplitude-Modulation Fourier-Series Method. [PDF]

Sensors (Basel), 2019
Wang Q, Sun T, Lyu Z, Gao D.
europepmc   +1 more source