Static magnetic fields

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radiated power dipole antenna
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z
?
r
y
j
x
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far field
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far field
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The teacher remembers some calculus.
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linear media gt superposition holds
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linear media gt superposition holds
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small changes
big changes
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linear media gt superposition holds
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linear media gt superposition holds
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small changes
big changes
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far field
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educated guess list
I(z) confined to length of antenna
h
Imax at z 0
Integrable function
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z
method of moments can be used
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nonuniform current antenna arrays
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even function
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spherical radiator
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Pr is power radiated spherically into 4p
steradians
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Hertzian dipole
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phased array
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phased array
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phased array
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Movie to illustrate the radiation pattern of a
phased array antenna mpg movie.
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