6.38. A coaxial line of inner and outer radii a and b, respectively, is mounted on an infinite conducting ground plane. Assuming that the electric field over the aperture of the coax is Ea = -ấp a
6.38. A coaxial line of inner and outer radii a and b, respectively, is mounted on an infinite conducting ground plane. Assuming that the electric field over the aperture of the coax is Ea = -ấp a
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Transcribed Image Text:6.38. A coaxial line of inner and outer radii a
and b, respectively, is mounted on an infinite
conducting ground plane. Assuming that the
electric field over the aperture of the coax is
Ea = -ấp
a <p' sb
e In(b/a) p
where V is the applied voltage and & is
the permittivity of medium in the coax, find
the far-zone spherical electric and magnetic
field components radiated by the aperture.
Use equivalent currents M, and J, such
that
ZA
-2n x Ea, a < p' <b
M, =
elsewhere
b.
J, = 0
everywhere
y
х
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