Dr. Ahmed G. Abo-Khalil

Electrical Engineering Department

Antenna aperture

In electromagnetics and antenna theory, antenna aperture or effective area is a measure of how effective an antenna is at receiving the power of radio waves. The aperture is defined as the area, oriented perpendicular to the direction of an incoming radio wave, which would intercept the same amount of power from that wave as is produced by the antenna receiving it. At any point, a beam of radio waves has an irradiance or power flux density(PFD) which is the amount of radio power passing through a unit area. If an antenna delivers an output power of Powatts to the load connected to its output terminals when irradiated by a uniform field of power density PFD watts per square metre

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Welcome

Welcome To Faculty of Engineering

Almajmaah University

IEEE

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Links of Interest

http://www.utk.edu/research/

http://science.doe.gov/grants/index.asp

http://www1.eere.energy.gov/vehiclesandfuels/

http://www.eere.energy.gov/


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Photovoltaic Operation


Wave Power

World's Simplest Electric Train



PeltierModule-JouleThief-Fridge

homemade Aircondition

Salt water battery


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