Universidad Nacional Tecnológica de Lima Sur (Perú): últimos ingresos
Mostrando ítems 241-260 de 876
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Optimization of a Balanced Antipodal Vivaldi Antenna for Dual Polarization Ground Penetrating Radar
(Universidad Nacional Tecnológica de Lima Sur, 2020)In this work, a novel Balanced Antipodal Vivaldi Antenna (BAVA) with 3 Elliptical Slots at the Edges (ESE) is proposed for application in a Dual Polarization Ground Penetrating Radar (DP-GPR). The several antenna parameters ... -
Omega-k Algorithm Implementation for Linear Frequency Modulated-Continous Wave SAR Signal Processing
(Universidad Nacional Tecnológica de Lima Sur, 2020)The Omega-k algorithm is used for SAR systems due to the precision on focus quality in SAR raw signal. However, it is little explored for specific SAR systems such as Linear Frequency Modulated Continuous Wave LFM-CW ... -
Millimeter-Wave Line-of-Sight Probability Modeling for Inside Metro Carriages Scenarios
(Universidad Nacional Tecnológica de Lima Sur, 2020)This paper proposes a new Line of Sight (LoS) probability model for metro carriage scenarios to evaluate radio propagation for the future Fifth Generation (5G) Wireless Communications Systems in the Millimeter Wave (mmW) ... -
Identification and Assesment of the Specific Absorption Rate (SAR) Generated by the most used Telephone in Peru in 2017
(Universidad Nacional Tecnológica de Lima Sur, 2020)According to the World Health Organization (WHO) it is estimated that between 5 and 10% of the population is electro sensitive, the excessive or prolonged exposure to electromagnetic waves can damage health. Currently the ... -
Distance to Object Estimation Based on Software Defined Radio USRP using Python
(Universidad Nacional Tecnológica de Lima Sur, 2020)The use of a Software Defined Radio System SDR is widely used in several critical applications such as wireless communications, airborne, satellite, radar, etc. SDR through Universal Peripheral Radio Software Technology ... -
Comparative Analysis of Three Types of VHF/UHF Antennas for GPR Array
(Universidad Nacional Tecnológica de Lima Sur, 2020)This article presents the comparative analysis of antennas for Ground Penetration Radars (GPR) that operate in the VHF/UHF band around 200 MHz. Three types of antennas are optimized to improve bandwidth, obtain a gain ... -
Square Coil Geometry Evaluation on Power Efficiency for Wireless Power Charging Applications
(Universidad Nacional Tecnológica de Lima Sur, 2019)Wireless power charging includes interesting physics from low frequencies and RF analysis which tends to be complex and tedious to model and simulate. Full wave simulations has been performed in order to evaluate the ... -
Computational Fluid Dynamics (CFD) Analysis of Two Types of Greenhouse in Humid Climates in Optimizing Air Flow Distribution for Organic Food Production in Times of Pandemic
(Universidad Nacional Tecnológica de Lima Sur, 2021)In a greenhouse we find multiple variables that have great impacts on crops, for this a CFD model is built to simulate microclimate distribution and obtain optimal climate control for the growth of the crop. Analyzes of ... -
Voltage Stability Analysis based on Power Voltage (P-V) and Reactive Voltage (Q-V) Curves in Transmission Lines Using Static Var Compensator (SVC) with the Power Factory Program
(Universidad Nacional Tecnológica de Lima Sur, 2021)Due to the great demand for energy, electrical power systems, when subjected to voltage stress, present voltage instability, generating blackouts in the system with economic losses and in the components. Through a static ... -
Characterization of student dropout associated with risk factors in a public university
(Universidad Nacional Tecnológica de Lima Sur, 2021)he study aimed to determine the risk factors in tutoring and dropout in students in a public university methodology: hypothetical deductive, type and quantitative, descriptive and crosssectional design. The sample consisted ... -
Methodological Learning Strategies Based on Disruptive Innovation in Research for Students of a Public University
(Universidad Nacional Tecnológica de Lima Sur, 2021)The objective of the investigation was: To determine the effect of the application of the university investigation program to improve the investigation capacities in the students of cycle VIII, IX and X of the different ... -
Characterization of the Performance of Higher Education Students in a Constructivist Learning Based on Two-Factor Analysis Using Inferential Statistics
(Universidad Nacional Tecnológica de Lima Sur, 2020)This study analyzes the level of performance of higher education students in constructivist learning in research based on a two-factor analysis using inferential statistics. In the development of the process, use is made ... -
Automatic control of motors through Simocode pro, and its effect on the performance of the process of filling and dispensing of chemical inputs
(Universidad Nacional Tecnológica de Lima Sur, 2021)This article aims to describe the design of an automatic control system for the automated management of motor drives through Simocode pro; and determine the effect from the quantitative point of view on the performance of ... -
Virtualization of Teaching and Learning of Engineering Students and its Impact on Self-Perception of Attitude Acquisition, in the Context of COVID-19
(Universidad Nacional Tecnológica de Lima Sur, 2021)This present describes the results of the evaluation regarding the self-perception of personal and social attitudes acquired by university students from an engineering faculty at a state university in Peru, in the context ... -
Evaluation of Teaching Performance in the Virtual Teaching-Learning Environment, from the Perspective of the Students of the Professional School of Mechanical Engineering
(Universidad Nacional Tecnológica de Lima Sur, 2021)The objective of this article is to evaluate the effect that virtual teaching learning generates in the evaluation of teaching performance, from the perspective of the students, of the professional mechanical engineering ... -
Automation of the burner of a pirotubular boiler to improve the efficiency in the generation of steam
(Universidad Nacional Tecnológica de Lima Sur, 2021)The purpose of this article is to describe the automation developed by means of a programmable logic controller for the burner of a fire tube boiler, in order to improve the efficiency in the process of generating steam ... -
Supervision and control by SCADA of an automated fire system
(Universidad Nacional Tecnológica de Lima Sur, 2021)The purpose of this article is to describe the development of a prototype of a monitoring and control system for a fire-fighting system, implemented through SCADA (supervisory control and data acquisition) for which the ... -
Analysis of Learning Difficulties in Object Oriented Programming in Systems Engineering Students at UNTELS
(Universidad Nacional Tecnológica de Lima Sur, 2020)The learning difficulties of Object-Oriented Programming can be one of the causes of failure in college students, which can even lead to student dropout. This article has the purpose of analyzing the main learning difficulties ... -
Evaluation of the Quality Parameters of a 4G-LTE Communications Base Station, Installed in a Rural Area of Peru
(Universidad Nacional Tecnológica de Lima Sur, 2020)This article has to specify the quality parameters of a Communications Base Station with 4G-LTE technology, installed in a rural area of Peru. The problem of this investigation is due to the fact that many areas of the ... -
Industrial Network for The Control and Supervision of The Acetic Acid Dispatch Process, and Its Influence on The Reduction of Chemical Contaminants for Operators
(Universidad Nacional Tecnológica de Lima Sur, 2020)This article develops the design and implementation of an industrial network for the control and supervision of the process of dispatching acetic acid, which aims to reduce the presence of this chemical in the environment, ...