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Microwave Engineering
book

Microwave Engineering

by Ahmad Shahid Khan
May 2014
Intermediate to advanced content levelIntermediate to advanced
800 pages
24h 50m
English
CRC Press
Content preview from Microwave Engineering
22 Microwave Engineering
where
γ ωµ σ ωε α β= + = +j j j( )
(2.8b)
As stated earlier the real part of solution to Equation 2.8a, representing
only forward wave, is
Re[ ( , )] cos( )E x t C e t x
y
x
=
1
α
ω β
(2.9)
Plots of E
y
from expressions of Equation 2.9 are shown in Figure 2.3, which
represents a pattern of travelling wave with attenuation.
For lossy medium (
σ
0) the ratio E/H =
η
= {j
ωμ
/(
σ
+ j
ωε
)}].
2.6 Conductors and Dielectrics
In view of Equation 2.1a the magnitude of the ratio of conduction current
density and displacement current density (for sinusoidal time variation) can
be written as
J
J
E
E
d
= =
σ
ωε
σ
ωε
(2.10)
This ratio {(
σ
/
ωε
) = 1} is ...
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Publisher Resources

ISBN: 9781466591417