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Amostragem uniforme e não-uniforme

Authors: Gomes, Narciso Resende;

Amostragem uniforme e não-uniforme

Abstract

Neste trabalho vamos apresentar alguns conceitos básicos da teoria da amostragem uniforme e da não-uniforme, e sua ligação à teoria de interpolação. Numa primeira parte focaremos essencialmente os conceitos de amostragem clássica de Nyquist e de Bessel, bem como a respectiva ligação à interpolação de Lagrange e de Bessel. Na segunda parte, estudaremos a implementação numérica do método de amostragem por intermédio de funções q-Bessel (introduzido por D. Abreu [2]). O ramo da análise que estuda este tipo de funções é conhecido como q-cálculo. Foram implementadas as termos básicos, como sejam, o q-factorial (equivalente ao factorial clássico), o cálculo das funções q-Bessel, suas derivadas e respectivo método de amostragem. No final deste trabalho será dedicado a exemplos numéricos deste método.

In this thesis we present Basic concepts of uniform and non-uniform sampling theory and their connection with interpolation theory. In the first part we will study the connection between the classic Nyquistsampling and Bessel-sampling and Lagrange- and Besselinterpolation. In the second part we study the numerical implementation of the sampling method using q-Bessel function introduced by D. Abreu [2]. To this end we implement basic terms of the q-Calculus, such as the q-factorial (equivalent to the classic factorial), the computation of q-Bessel functions and their derivatives, as well as the sampling method itself. In the end we present numerical examples for this method.

Mestrado em Psicologia Forense

Country
Portugal
Related Organizations
Keywords

Matemática aplicada, Amostragem estatística, Funções, Interpolação

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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