Results 221 to 230 of about 219,965 (278)

Covalent Organic Frameworks for Photocatalysis

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of recent advances in covalent organic frameworks (COFs) for photocatalysis, focusing on sustainable energy applications like water splitting, hydrogen peroxide generation, and CO2 and N2 reduction. It discusses design principles, structure‐function relationships, challenges in COF photocatalysis, and strategies to ...
Bikash Mishra   +6 more
wiley   +1 more source

Theory of the Optimum Interpolation Approximation in a Shift-Invariant Wavelet and Scaling Subspace

open access: closedIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2007
In the main part of this paper, we present a systematic discussion for the optimum interpolation approximation in a shift-invariant wavelet and/or scaling subspace. In this paper, we suppose that signals are expressed as linear combinations of a large number of base functions having unknown coefficients.
Takuro Kida, Yuichi Kida
openaire   +3 more sources

Theory of extended interpolation approximation and upper and lower bounds of error

open access: closedElectronics and Communications in Japan (Part III: Fundamental Electronic Science), 1990
AbstractAssume that signal f(t) is impressed on N parallel time‐invariant linear networks Hm(w)(m=1∼N), and consider the uniformly sampled values gm(nT)(m = 1∼N; n = 0, ±1, ±2,; T <0) of the output signal gm(t)(m=l∼N). This paper discusses the following problem from a unified viewpoint.
Leopoldo Hideki Yoshioka, Takuro Kida
openaire   +3 more sources

Combination of compressed sensing and the optimum interpolation approximation: Theory and application for fast 2D NMR measurement

open access: closed2017 22nd International Conference on Digital Signal Processing (DSP), 2017
We present a new fast reconstruction method for 2D NMR spectrum by combining the compressed sensing (CS) method and the optimum interpolation approximation. We define a weighting function that has the same waveform of the 2D NMR spectrum reconstructed by the CS method.
Takuro Kida, Yuichi Kida
openaire   +3 more sources

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