Dr. Ray Kwok, SJSU
Quiz 13:
Given mA/m.
(a) Find er of the medium. (b) What polarization is this EM wave?
11/19/2019 EE140 Quiz # 13
ztyxztyxH 50010sinˆ40ˆ3050010cosˆ40ˆ30 1010
Dr. Ray Kwok, SJSU11/19/2019 EE140 Quiz # 13
x
y
z out
k in
H1
E in
Based on the figure, it is a Right-handed polarization. But it is NOT circular.
H1 and H2 are NOT perpendicular to each other. So it is an elliptical wave.
RHEP is the polarization state.
k in
22515
15
2
30
102
103
102
102
500
10
2
7
8
7
7
10
r
r
c
n
n
c
k
v
e
e
ztyxztyxH 50010sinˆ40ˆ3050010cosˆ40ˆ30 1010
H2
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