Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies. OFDM has developed into a popular scheme for wideband digital communication, used in applications such as digital television and audio broadcasting, DSL Internet access, wireless networks, powerline networks, and 4G mobile communications..
Eficiˆencia de sistema de telhado verde extensivo em precipita¸c˜oes extremas: an´alise quantitativa e efeitos na mitiga¸c˜ao de inunda¸c˜oes urbanas.
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The rise of IoT interconnected objects will lead to an explosion in the volume of data that is collected, transmitted and processed. This explosion in volume will require novel methods for this transmission and processing.Power consumption and performance is one of the main design constraint for these systems. If current trends continue, future petaflop systems will require 100 megawatts of power. To address this problem the trend is towards the autonomous and responsible behavior of resources This demo shows how a network of ultra-low-voltage microprocessors platforms (Intel R AtomTM Processor E3815-Minnow-Max) can process their own data (running real HPC workloads) without the need of an external HPC system. This paper shows the impact of using a custom OS for x86 architecture in a embedded distributed system.
The electrical energy from renewables in Algeria contributed about 3.4\% (280 MW) in 2008 of a total power of 8.1 GWe and will reach 5\% by the year 2017 according to the Algerian Electricity and Gas Regulation Commission (CREG). The country’s target is reaching 40\% by 2030. The geothermal resources in Algeria are of low-enthalpy type. Most of these geothermal resources are located in the north of the country and generate a heat discharge of 240 MWt.