Comparative study between algorithms of discrete Fourier and Wavelet Transforms

被引：0
|
作者：
Shirado, Wilson Hissamu [1 ]
Moreira, Marcio de Abreu [1 ]
Palma, Jandira Guenka [1 ]
Barbon Junior, Sylvio [1 ]
机构：
[1] Univ Estadual Londrina, DC, Programa Posgrad Ciencia Comp, Bloco J,Sala 305a,Cx Postal 10011, BR-86057970 Londrina, PR, Brazil
来源：
REVISTA BRASILEIRA DE COMPUTACAO APLICADA | 2015年 / 7卷 / 03期
关键词：
Computational complexity; Digital signal processing; Fourier Transform; Wavelet Transform;
D O I：
10.5335/rbca.2015.4880
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper show a comparative study between Discrete Fourier Transform, Discrete Wavelet Transform and Fast Fourier Transform. The math formalizations and some features of algorithms are showed and asymptotic complexity concepts. Finally, is performed a practical experiment for comparing algorithms, covering issues as executing time, pros and cons of each transformed, as well as evaluate about the diferent resolutions time/frequence of each algorithm..
引用
收藏
页码：97 / 107
页数：11
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