Sistemas y Telemática Vol.16 No. 46

URI permanente para esta colecciónhttp://hdl.handle.net/10906/84470

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Effects of blind channel equalization using the regressive accelerator algorithm version ɣ
(Universidad Icesi, 2018-07-01) Jojoa Gómez, Pablo Emilio
We present a blind channel equalization scheme, applied to γ version regressive acceleration algorithm, which uses self-taught equalization techniques to study the characteristics of both, the second and the higher order moments for the transmitted signal, used to calculate the signal of error and thus, to make an optimal estimation of the transmitted symbols. This way, simulations of the obtained results are done in comparison with the algorithms based on the stochastic gradient and with the Bussgang algorithms. The results of that simulations show how, using the regressive acceleration algorithm version γ, a better detection of transmitted bits and higher convergence speeds are obtained, with a minimum mean square error.
Guidance scheme for paths without temporary restrictions using the Krick Felix model boat under the influence of sea currents
(Universidad Icesi, 2018-07-01) Miranda Jiménez, Leidys
The autonomous surface vehicles are composed of a guidance, navigation, and control systems where the first one plays an important role in missions without human intervention. This article presents the design of a guidance system made of an I-LOS controller, where its purpose is to achieve the convergence and the precise following of straight paths, regardless of the sea currents presence. The controller gains adjustment is performed according to the vehicle fea - tures and the geometry of the path to follow. The proposed guidance algorithm is assessed through simulation, obtaining favorable results.

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Examinando Sistemas y Telemática Vol.16 No. 46 por Materia "Convergencia"