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Unformatted text preview: for the medium. b) Determine the propagation velocity v . c) Determine r and r . d) unction g ( t ) . 3. We have on x = 0 plane a pulse of sheet current J s ( t ) = y 2 t rect ( t ) A/m, where = 2 s. Regions adjacent to the current sheet are vacuum. a) Determine and plot E y ( x, t ) and H z ( x, t ) vs t for x = 1200 m. b) Repeat (a) for x =-1200 m. c) Determine and plot E y ( x, t ) and H z ( x, t ) vs x for t = 5 s. d) Determine the TEM wave energy radiated per unit area (in J/m 2 units) by the current pulse J s ( t ) = y 2 t rect ( t ) A/m. Hint: integrate the power injected per unit area,-J s E , over the duration of pulse J s ( t ) . 4. Given a uniform TEM plane wave with H = cos( t + z ) y A m , Fnd the corresponding E if = 2 3 c and = 2 . 25 o . 1...
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- Fall '08