homework7

homework7 - 1 School of Electrical and Computer Engineering...

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Unformatted text preview: 1 School of Electrical and Computer Engineering, Cornell University ECE 303: Electromagnetic Fields and Waves Fall 2005 Homework 7 Due on Oct. 14, 2005 by 5:00 PM Reading Assignments: i) Review the lecture notes. ii) Review sections 4.1-4.3, 5.1-5.2, 5.4, 6.1, 6.3-6.4, paperback book Electromagnetic Waves . These sections also include the material to be covered in the next two weeks of the class. Special Note: Graders have been instructed to take off points (as much as 50%) if proper units are not included in your answers. You must specify the correct units with your numerical answers. Problem 7.1: (Power dissipation in a conductive medium) You have been hired by the NASA’s Mars Rover team to look at the feasibility of using a super-light durable and flexible metal alloy in making Rover’s dish antenna. You need to evaluate how good a reflector is the metal alloy. Consider an electromagnetic wave given by: ( ) z jk o i i e E x r E − = ˆ r r with a frequency equal to 1 GHz and incident from free space upon the metal alloy. The conductivity with a frequency equal to 1 GHz and incident from free space upon the metal alloy....
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This note was uploaded on 09/20/2007 for the course ECE 3030 taught by Professor Rana during the Fall '06 term at Cornell.

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homework7 - 1 School of Electrical and Computer Engineering...

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