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Beamwidth
In
telecommunication
, the term
beamwidth
has the following meanings:
1.
In a radio
antenna
pattern
, the
half power beam width
is the angle between the half-
power
(-3
dB
) points of the
main lobe
, when referenced to the peak
effective radiated power
of the main lobe. See
beam diameter
. Beamwidth is usually but not always expressed in degrees and for the horizontal plane.
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