Conservation of the passband signal amplitude using a filter based on the Fast Fourier Transform algorithm

Conservation of the passband signal amplitude using a filter based on the Fast Fourier Transform algorithm

In this work, we propose an algorithm for a filter based on the Fast Fourier Transform (FFT), which, due to its characteristics, allows for an efficient computational implementation, ease of use, and minimizes amplitude variation in the filtered signal. The algorithm was implemented using the progra...

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Veröffentlicht in:arXiv.org 2024-07
Hauptverfasser: Freire, Flavio Dalossa, Isabel Gebauer Soares
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Sprache:eng
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Algorithms
Amplitudes
Computational efficiency
Computing costs
Fast Fourier transformations
FIR filters
Programming languages
Python
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description In this work, we propose an algorithm for a filter based on the Fast Fourier Transform (FFT), which, due to its characteristics, allows for an efficient computational implementation, ease of use, and minimizes amplitude variation in the filtered signal. The algorithm was implemented using the programming languages Python, R, and MATLAB. Initial results led to the conclusion that there was less amplitude loss in the filtered signal compared to the FIR filter. Future work may address a more rigorous methodology and comparative assessment of computational cost.
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subjects Algorithms
Amplitudes
Computational efficiency
Computing costs
Fast Fourier transformations
FIR filters
Programming languages
Python
title Conservation of the passband signal amplitude using a filter based on the Fast Fourier Transform algorithm
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