Listar Productos de investigación por título
Mostrando ítems 613-632 de 1394
-
Fractional Fourier transform method of chirped fringe pattern analysis for profilometry
(Cartagena de Indias, 2020)A method is proposed to obtain the 3D profile of an object or the shape of a wavefront. The analysis of linearly chirped cosenoidal fringes is performed in the fractional Fourier domain. © OSA 2020, © 2020 The Author(s) -
Fractional sampling theorem for -bandlimited random signals and its relation to the von neumann ergodic theorem
(Institute of Electrical and Electronics Engineers Inc., 2014)Considering that fractional correlation function and the fractional power spectral density, for -stationary random signals, form a fractional Fourier transform pair. We present an interpolation formula to estimate a random ... -
Fracture Dynamic Analysis of Cracked Reissner Plates Using the Boundary Element Method
(Cartagena de IndiasIngeniería Mecánica, 2020-05-15)This work presents a Dual Boundary Element Method/Dual Reciprocity Boundary Element Method formulation for the dynamic analysis of fractured shear deformable plates. Equations for the Dual Boundary Element Method, including ... -
Francoist representations in the monetary issues of the reign of Juan Carlos I (1975-2014)
(Cartagena de Indias, 2021)This paper contains a review of all the legal tender coins that display an iconography associated with the Franco dictatorship during the reign of Juan Carlos I of Spain (1975-2014), except for collectible coins (commemorative ... -
Fray pedro of santa maría de ois'pilgrimage seen by the journal as 4 aldeas
(Cartagena de Indias, 2020)The following research article presents an exhaustive compilation of the news in the local journal As 4 aldeas related to the pilgrimage of Fray Pedro de Santa María de Ois (Coirós, A Corunna); a historic celebration of a ... -
Freedom and opportunity. Distributive justice considerations in amartya sen and philippe van parijs
(Cartagena de Indias, 2021)The purpose of this essay is to approach the conceptions of distributive justice in two contemporary economists: Amartya Sen and Philippe Van Parijs. To this end, the notion of capabilities that Martha Nussbaum presents ... -
Fringe quality map for fringe projection profilometry in LabVIEW
(Sociedad Espanola de Optica, 2018)The phase retrieval process is mainly affected by local shadows, irregular surface brightness and fringe discontinuities. To overcome these problems, image-processing strategies are carried out such as binary masks, ... -
From a Home-Area-Network to a Secure Internet of Things Application
(Springer, 2019)In this paper, we present a secure system to control devices at home through the web, which we implement based on the Do It Yourself (DIY) culture. We use a model based on the Goal Question Metric approach to evaluate the ... -
Full State Feedback of DC-Motor Position and Speed Control Using LQR and Kalman Filter
(Cartagena de Indias, 2022)DC motors are used in various industrial, robotic and motion control applications, and generally angular position and speed are used as the main control variables. This paper presents the design of an LQR controller with ... -
Furan as Impurity in Green Ethylene and Its Effects on the Productivity of Random Ethylene–Propylene Copolymer Synthesis and Its Thermal and Mechanical Properties
(Cartagena de Indias, 2023)The presence of impurities such as H2S, thiols, ketones, and permanent gases in propylene of fossil origin and their use in the polypropylene production process affect the efficiency of the synthesis and the mechanical ... -
FUZZY GAIN SCHEDULING: COMPARISON OF THE CONTROL STRATEGY
(Cartagena de Indias, 2022)The use of better control strategies has a great interest in all kinds of industries in recent years since it allows better use of resources and therefore becomes an important factor in reducing costs associated with ... -
Fuzzy logic methodology to study the behavior of energy transformation processes based on statistics T2and Q
(Cartagena de Indias, 2020-10)In the processes of energy transformation, to carry out an adequate follow-up of the process parameters represent an opportunity to propose strategies to improve the processes' performance. For this reason, it is essential ... -
Galvis, L. A., Rodríguez, G., & Ovallos, S. (2021). Quality of work life in Cartagena, Barranquilla, and Santa Marta. Cuadernos de Economía, 40(82), 307-338.
(Cartagena de Indias, 2021)The main cities of the Colombian Caribbean have recently reached the lowest unemployment figures in the country. However, they exhibit the highest informality rates. The objective of this paper is to analyse the situation ... -
Gender differences in math and reading: Performance, self-concept and expectations
(Cartagena de Indias, 2020)Previous studies show gender differences in math and language performance, mainly in adolescents. In this study, we aim to evaluate gender differences in self-concept, subjective value, expectations and academic performance, ... -
Gender inequality in latin america: a multidimensional analysis based on eclac indicators
(Cartagena de Indias, 2021-11-27)This article analyzes the behavior of gender indicators on the economic, physical, and decision-making autonomy of Latin-American women, based on data compiled and published in 2020 by the Gender Equality Observatory of ... -
Generación de capacidades para promover a través del currículo el emprendimiento cultural en el marco de la economía naranja : caso de la institución educativa Madre Laura - Cartagena /
(2020)En la actualidad los centros de educación media requieren de cada vez más habilidades diversas adaptadas a los contextos actuales. El propósito de esta investigación fue determinarla percepción sobre desarrollo de Capacidades ... -
Generalized molecular descriptors derived from event-based discrete derivative
(Bentham Science Publishers B.V., 2016)In the present study, a generalized approach for molecular structure characterization is introduced, based on the relation frequency matrix (F) representation of the molecular graph and the subsequent calculation of the ... -
Generating density maps for convolutional neural network-based cell counting in specular microscopy images
(Cartagena de Indias, 2020)Accurate endothelial cell density with specular microscopy is essential for correct clinical assessment of the cornea. Commercial specular microscopes incorporate automated cell segmentation methods to estimate cell density. ... -
Generating dynamic fuzzy models for prediction problems
(2009)In this paper we present a new method to generate interpretable fuzzy systems from training data. A fuzzy system is developed for nonlinear systems modeling and for system state forecasting. The antecedent partition uses ... -
Generational diversity and quality of work life: Case study in the Colombian logistic sector
(International Business Information Management Association, IBIMA, 2019)Drawing upon generational differences in work values and attitudes, this article examines perception of quality of work life of three generational cohorts using survey data collected from 522 employees of the logistic ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.