Listar Revista Politechnê por título

Mostrando ítems 240-259 de 285

    • Simulación digital para verificación de diseño y sus aplicaciones en el desarrollo de pruebas automatizadas 

      Figueroa, Rafael A.; Jordán, Rodolfo E. (Polytechnic University of Puerto Rico, 1992-06)
      This paper presents the digital simulator as the tool for the computerized analysis of digital logic circuits. Among the topics discussed in the study are the behaviour of digital circuits, the development of vectors to ...

    • Simulation of the Antenna Pattern of Arbitrarily Oriented Very Large Phase/Time-Delay Scanned Antenna Arrays with Systematic and Random Errors 

      Ortiz, Carlos R. (Universidad Politécnica de Puerto Rico, 1999-12)
      A computer simulation to determine the field pattern of arbitrarily oriented, very large phase/time delay scanned antennas was developed. The simulation takes into account errors present in antenna arrays. These are ...

    • Sistema de Administración de Propiedades 

      Santiago Rivera, Ángel D. (Polytechnic University of Puerto Rico, 2019)
      Como empleado de una compañía dedicada a administrar y reposeer propiedades, surge la inquietud de crear un sistema con una base de datos que almacene la cartera de propiedades con las diferentes situaciones que caracterizan ...

    • Sistemas de imágenes utilizando discos ópticos 

      Lozada Sorcia, Louis M.; Santiago, Enrique Luis (Polytechnic University of Puerto Rico, 1991-12)
      This paper defines the concept of imaging technology, the particular hardware needed to support it and the use of the optical disk as the medium for the storage of electronic images. In order to have a better understanding of ...

    • Sistemas de Información Geográfica y Técnicas de Interpolación Espacial para la Modelación de Valores Residenciales 

      Matos Flores, Raúl (Polytechnic University of Puerto Rico, 2006)
      El presente escrito muestra los resultados de una metodología que, utilizando técnicas de interpolación espacial, procedió a modelar los valores de ventas residenciales en la periferia de la alienación del Tren Urbano para ...

    • Sizing a solar cell array for a solar powered lawnmower machine 

      Veras, Eduardo J. (Polytechnic University of Puerto Rico, 1996-12)
      This project focuses on the sizing and control of a photovoltaic (PV) collector of a solar lawnmower prototype to satisfy the geographical orientation of Puerto Rico and its available sunlight. The design, analysis and ...

    • Smart Antenna Performance Simulation in Multipath Propagation Environment 

      Ortiz, Jorge A. (Polytechnic University of Puerto Rico, 2008)
      This paper presents the effect of multipath propagation on the performance of smart antenna. The influence of the correlation between the source multipath components on the uplink beam pattern shape, as well as the resulting ...

    • Sobre “espanglish” y purismos 

      Santos, José E. (Polytechnic University of Puerto Rico, 2016)
      El mal llamado purismo insular goza de una inmerecida membresía en el salón de la infamia. Se le ve bajo el prisma de la actitud complaciente y seudo-neutral de la lingüística contemporánea. No existe tal cosa como ...

    • Sobrepoblados 

      Rodiz, Pedro (Polytechnic University of Puerto Rico, 2022)
      Obra del dramaturgo, director teatral, guionista, actor, profesor de teatro Pedro Rodiz.

    • Strain gauge and micrometer instrumentation of a truss structure 

      Amado González, Vanessa; Ortiz Marti, Luis A.; Batista Soto, Julian; Peña Rosado, Edwin; Tito Izquierdo, Jorge A.; Collazos Ordóñez, Omaira M. (Polytechnic University of Puerto Rico, 1997-12)
      This project was performed as part of the Structural Analysis courses in order to compare theoretical results of the response of simple structures with the experimental results obtained at the Structures Engineering ...

    • The Structure of a Composite Galaxy Model 

      Talavera Balbuena, Claudia E. (Polytechnic University of Puerto Rico, 2016)
      The algorithms and numerical methods describes the way of implementing a composite galaxy –bulge area, disk, and galaxy halowhich is modeled as a full three-dimensional entity, using spherical and disk models as ...

    • Study of the density of states in amorphous Silicon-Hydrogen using the semiconductor/electrolyte system 

      Muñoz, William (Polytechnic University of Puerto Rico, 1996-12)
      Localized states in amorphous Silicon-Hydrogen are studied by pulsed measurements on the a-Si:H/electrolyte (S/E) system. The S/E interface is essentially blocking to current flow. As a result, surface space-charge layers, ...

    • Subscriber line automatic identification number device 

      Lozada, Roberto; Sánchez, Pedro A. (Polytechnic University of Puerto Rico, 1995-12)
      The subscriber line automatic identification number device, SLAIN device, is an apparatus that may be utilized as the subscriber's end section of a telephone privatization system. This system will not utilize any equipment ...

    • Sueño con una barba inconfundible 

      del Carril, Emilio (Polytechnic University of Puerto Rico, 2022)
      Relatos del escritor Emilio del Carril: Sueño con una barba inconfundible.

    • Techniques for Functional and Structural Testing of Software 

      Cruz Triana, Alfredo; Méndez, Adrián E. (Universidad Politécnica de Puerto Rico, 1999-12)
      This work will present the structural and functional approaches as software testing process techniques. The software testing process is one that consumes at least half of the labor expended to produce a working program. ...

    • Temperature Mapping at a Pharmaceutical Product Warehouse 

      González Reyes, Elvin Xavier (Polytechnic University of Puerto Rico, 2019)
      To sustain pharmaceuticals products with high quality until they arrive to the patients, it is necessary to store them under specified temperature conditions. Warehouses that store these kinds of products use temperature ...

    • Terra Incognita: el espacio público en Río Piedras 

      Sánchez Febres, Ricardo J. F. (Polytechnic University of Puerto Rico, 2015)
      Históricamente, la mayoría de las épocas han articulado cambios o movimientos orientados a la revitalización o expansión cultural- social-económica y política de sus ciudades. Estos cambios los vemos claramente ...

    • Theory of constraints will really improve your competitiveness 

      Cruz, Rafael (Polytechnic University of Puerto Rico, 1992-12)
      The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. In order to accomplish this objective a company must change the paradigm of costs an follow ...

    • Theory of constraints will really improve your competitiveness 

      Cruz, Rafael (Polytechnic University of Puerto Rico, 1993-06)
      The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. To accomplish this objective a company must change the paradigm of costs and follow two ...

    • Theory of operation of today CD systems 

      García, Rafael; Trabanco, Benjamin R. (Polytechnic University of Puerto Rico, 1993-12)
      In this article we examine the main events that lead to the invention of the compact disc or CD, as we all call it. We consider the most important components of the playback section of the CD such as the pick-up circuit, ...