MadSci Network: Physics
Query:

Subject: How can EM radiation be concentrated on a specific section of an antenna?

Date: Fri Jan 28 01:10:01 2000
Posted by Jay Estrada
Grade level: 10-12 School: Brooklyn Technical High School
City: Brooklyn State/Province: NY Country: USA
Area of science: Physics
ID: 949043401.Ph
Message:

If the lenth, width, conductivity, etc. of an antenna was known could 
radio waves be directed to a specific point on the antenna by changing a 
property of the wave such as frequency.  If it can what are the 
mathematics involved in directing it towards specific spot.


Re: How can EM radiation be concentrated on a specific section of an antenna?

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