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Now showing items 21-30 of 36
Wireless LANs
(Polytechnic University of Puerto Rico, 2000-12)
There are three digital wireless technologies: CDMA (Code Division Multiple Access), TDMA (Time Division Multiple access), and GSM (Global System for Mobile Communication). Ethernet is a standard LAN protocol that operates ...
Tunomás Honey de Jim Sagel: reapropiación y preservación cultural del mundo chicano
(Polytechnic University of Puerto Rico, 2004)
Tunomás Honey written by New Mexican writer Jim Sagel serves the purpose of analyzing the theme of reappropriation and cultural reservation of the Chicano world through literature. In 1981 Tunonás Honey received the award ...
Cryptography and Steganography: Security in Electronic Transactions
(Polytechnic University of Puerto Rico, 2000-12)
A new use for two ancient arts and sciences; Cryptography and Steganography are now as useful as they were thousands of years ago. The digital communication security rests mainly on the developments of these two methodologies ...
Leveling of Oil Fuel Prices Through Hedging Practices at the Puerto Rico Electric Power Authority
(Polytechnic University of Puerto Rico, 2000-12)
Up to the present, all the discussions since mid 1980's regarding the convenience of leveling fuel costs have been developed on a qualitative basis. This paper will try to provide quantitative information for corporate ...
Propagación de radiofrecuencias a través del espacio interestelar
(Polytechnic University of Puerto Rico, 2004)
Pulsar stars act like simple radio stations consisting of a rotating two pole electromagnet. They behave like interstellar beacons radiating electromagnetic pulses in the microwave band.The interstellar radiation reaches ...
Cryptography: Algorithms and Security Applications
(Polytechnic University of Puerto Rico, 2000-06)
Cryptography in Computer Science and Information Systems are broad. It is based in a sequence of steps, and its premise is only one: security. One of the latest developments in cryptography is Steganography, which is the ...
Knowledge Management: Managing Legal Information Via the WWW and Intranet
(Polytechnic University of Puerto Rico, 2000-12)
The legal profession is an industry that has yet to exploit the Web to its fitllest extent. In an industry that resolves around documents, issues surrounding their creation, delivery, storage and management will have ...
PLAtestGA: A CNF-Satisfiability Problem for the Generation of Test Vectors for Missing Faults in VLSI Circuits
(Polytechnic University of Puerto Rico, 2000-06)
An evolutionary algorithm (EA) approach is used in the development of a test vector generation application for single and multiple fault detection of growth faults in Programmable Logic Arrays (PLA). Three basic steps are ...
ADSL: The Best Choice for Fast Internet Access
(Polytechnic University of Puerto Rico, 2000-12)
There is a real need for the increased bandwidth at a tower cost provided by ADSL (Asymmetric Digital Subscriber Line). The time is ripe for deployment due to the current competitive environment, and both A DSL transport ...
La enseñanza de la ingeniería en el siglo XXI
(Polytechnic University of Puerto Rico, 2000-06)
The teaching of the engineering disciplines during the XXI Century will continue, as has been established already, with a solid foundation in physical sciences, mathematics, liberal arts, engineering sciences and engineering ...