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2023•Highlights in Science Engineering and TechnologyOpen access

Fourier Analysis and Its Application

Zinan Zhao

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Abstract

In this article, mathematicianswill give a general summary of Fourier analysis and some of its applications. The Fourier transform will be organized in a developing order, the discrete Fourier transform, Fourier transform on the unit circle and Fourier transform on the real line. Some theorems about the convergence of Fourier series in different forms will be proved in detail. Finally, an estimation of the upper bound of Fourier transform will be discussed. Mathematicianscan prove that it is controlled by the 1-norm of the derivative of f.

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What this paper is about

In this article, mathematicianswill give a general summary of Fourier analysis and some of its applications. The Fourier transform will be organized in a developing order, the discrete Fourier transform, Fourier transform on the unit circle and Fourier transform on the real line. Some theorems about the convergence of Fourier series in different forms will be proved in detail. Finally, an estimation of the upper bound of Fourier transform will be discussed. Mathematicianscan prove that it is controlled by the 1-norm of the derivative of f.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this article, mathematicianswill give a general summary of Fourier analysis and some of its applications. The Fourier transform will be organized in a developing order, the discrete Fourier transform, Fourier transform on the unit circle and Fourier transform on the real line. Some theorems about the convergence of Fourier series in different forms will be proved in detail. Finally, an estimation of the upper bound of Fourier transform will be discussed. Mathematicianscan prove that it is controlled by the 1-norm of the derivative of f.

Key concepts: Discrete-time Fourier transform, Fractional Fourier transform, Fourier transform, Non-uniform discrete Fourier transform, Fourier inversion theorem, Discrete Fourier transform (general), Fourier analysis, Discrete Fourier series

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