2014
DOI: 10.5540/tema.2014.015.01.0073
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Análise Espacial Espectral Bidimensional em partículas de material compósito Al\SiC

Abstract: RESUMO. Este trabalho investiga o padrão da distribuição espacial de partículas de carboneto de silício em uma liga de alumínio (Al/SiC) utilizando análise espacial espectral bidimensional. Esta técnica se baseia na transformada de Fourier da função de autocovariância amostral. A análise espectralé uma ferramenta poderosa para investigar o padrão espacial de pontos, uma vez que não assume características estruturais dos dados antes da análise e utiliza-se apenas da função espectral. As coordenadas dos centros … Show more

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“…Bartlett (1964) was the pioneer in suggesting the use of spectral analysis in point processes, while Renshaw and Ford (1984) and Renshaw (1996, 2001) have shown how the spectral framework can be an important tool for exploratory analysis of 2D spatial point patterns. These two-dimensional spectral methods was applied with success by Araújo et al (2014) in order to investigate the the spatial patterns of silicon carbide particles located in an aluminum alloy matrix (Al/SiC).…”
Section: Introductionmentioning
confidence: 99%
“…Bartlett (1964) was the pioneer in suggesting the use of spectral analysis in point processes, while Renshaw and Ford (1984) and Renshaw (1996, 2001) have shown how the spectral framework can be an important tool for exploratory analysis of 2D spatial point patterns. These two-dimensional spectral methods was applied with success by Araújo et al (2014) in order to investigate the the spatial patterns of silicon carbide particles located in an aluminum alloy matrix (Al/SiC).…”
Section: Introductionmentioning
confidence: 99%