Bruno S. Chang

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Two spurious nodes were found in phylogenetic analyses of vertebrate rhodopsin sequences in comparison with well-established vertebrate relationships. These spurious reconstructions were well supported in bootstrap analyses and occurred independently of the method of phylogenetic analysis used (parsimony, distance, or likelihood). Use of this data set of(More)
The vast diversity in spectral sensitivities in the vision of many organisms is mediated mostly (although not entirely) through variation in the photosensitive visual pigments (opsins) of the eye. Specifically, shifts in absorption maxima of visual pigments are thought to be a result of interactions within the binding pocket of the opsin, between amino acid(More)
—When linear precoding is applied to filterbank multicarrier systems, a combination of all subcarriers is transmitted , minimizing the effect of a deep fade in a subcarrier while also reducing frequency offset sensibility and the peak-to-average power ratio. However, their equalization becomes even more challenging than usual. In this paper, we present an(More)
Acknowledgements First, I would like to thank Thays and my family, for their love, endless support, patience and understanding. This thesis is dedicated to them. Furthermore, I would like to express my deepest gratitude to my thesis advi-sors Prof. Carlos Aurélio Faria da Rocha and Prof. Didier Le Ruyet for their friendship, unwavering dedication, trust,(More)