329sp08hw5 - ECE 329 Homework 5 Due: Feb 18, 2008, 5PM E1 =...

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ECE 329 Homework 5 Due: Feb 18, 2008, 5PM E 1 = 2 cos( ωt - βz x V/m E 2 = E o cos( ωt - βz x - E o sin( ωt - βz y H 3 = cos( ωt + βz + π 3 x + sin( ωt + βz - π 6 y A/m 1. For each of the three plane waves (in free space) described by E 1 , E 2 , and H 3 given above: a) Determine the expression for H or E that accompanies the given wave ±eld. b) Find the expression for instantaneous power that crosses a 1 m 2 area in the xy -plane from - z to + z . c) Find the corresponding ±eld phasors ˜ E and ˜ H so that E = Re { ˜ E e jωt } and H = Re { ˜ H e jωt } in each case. d) Find time averaged power that crosses a 1 m
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This note was uploaded on 04/14/2009 for the course ECE 329 taught by Professor Franke during the Spring '08 term at University of Illinois at Urbana–Champaign.

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