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Additional
field strength
English Wikipedia - The Free Encyclopedia
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Field strength
In
physics
,
field strength
or
intensity
means the
magnitude
of a
vector
-valued
field
. For example,
electromagnetic field
results in both
electric field strength
and
magnetic field strength
. As an application, in
radio frequency
telecommunications
, the
signal strength
excites a receiving antenna and thereby induce a voltage at a specific frequency and polarization in order to provide an input signal to a radio receiver.
Field strength meter
s are used for such applications as cellular, broadcasting, wi-fi and a wide variety of other radio-related applications.
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