Description: Powering Progress: Renewable Energy in the Somali Region, An Energetic Somali Man, Somali Energy and livelihoods Project (SELP), Somali president urges infrastructure & green energy investment at Brussels Forum
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Energy is a peer-reviewed academic journal covering research on energy engineering that was established in 1976. It is published by Elsevier and the editor-in-chief is Henrik Lund ( Aalborg University ). According to the Journal Citation Reports , the journal has a 2013 impact factor of 4.159, ranking it 13th out of 83 journals in the category "Energy & Fuels" and second out of 55 journals in "Thermodynamics".
In signal processing , the energy of a continuous-time signal x ( t ) is defined as
the energy of a discrete-time signal x ( t ) is defined as