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Unformatted text preview: EE161 Fall 2010, Homework #6 Problems: Midterm #2 problems & 9.1, 9.2, 9.4 (textbook, 6 th edition) Problem #1 (30 pts). Consider the oblique incidence case of plane wave in air onto a lossless non-magnetic dielectric slab. The dielectric constant is r = 9 and the thickness is unknown. Assume we need only consider one reflection at each boundary. (a) (7 pts) For parallel polarization, choose an incident angle so that the wave can pass through the slab without any loss. (b) (15 pts) If the frequency of the wave is 1 GHz, please write down the phasor expression of the electric field in both the air (both sides of the slab) and the dielectric slab for parallel polarization (c) (8 pts) If the incident wave is circularly polarized, how will the axial ratio R change after the wave passes through the slab? 1 2 1 r 2 r 1 3 r r 2 3 1 2 1 r 2 r 1 3 r r 2 3 x z Problem #2 (35 pts). Perfect Magnetic Conductor (PMC) is a counter-part of Perfect Problem #2 (35 pts)....
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This note was uploaded on 02/10/2011 for the course ELEC ENGR 161 taught by Professor Xu,shenheng during the Fall '10 term at UCLA.
- Fall '10