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amplitudine

Amplitudine is a term used in Italian and Latin to denote amplitude—the maximum extent of a vibration or oscillation from its rest position. It is used across physics, engineering and related fields to describe the size of a periodic signal or wave.

In physics, amplitude is central to simple harmonic motion. For a displacement x(t) = A cos(ωt + φ), A

For a sine wave, the energy carried is proportional to the square of the amplitude. The root-mean-square

Amplitudine has many practical applications: in acoustics it relates to perceived loudness; in electronics to signal

Etymology: from Latin amplitude, via Italian amplitudine; cognate with the English term amplitude.

is
the
amplitude,
the
greatest
displacement
from
equilibrium.
In
waves,
amplitude
refers
to
the
maximum
value
of
a
periodic
quantity
such
as
displacement,
pressure
variation,
or
electric
field.
The
concept
applies
across
mechanical,
acoustic,
and
electromagnetic
phenomena.
(RMS)
value
is
A/√2,
and
the
peak-to-peak
value
is
2A.
Measurements
depend
on
the
quantity
being
described:
meters
for
displacement,
volts
for
electrical
signals,
pascals
for
pressure,
and
so
on.
In
optics,
the
electric
field
amplitude
determines
the
light’s
intensity,
since
intensity
is
proportional
to
the
square
of
the
field
amplitude.
strength;
in
optics
to
field
amplitude
and
intensity;
and
in
communications
to
amplitude
modulation
(AM),
a
method
of
encoding
information
by
varying
the
amplitude
of
a
carrier
wave.