<s>
In	O
telecommunication	O
,	O
the	O
term	O
carrier	B-Device
shift	I-Device
has	O
the	O
following	O
meanings	O
:	O
</s>
<s>
In	O
amplitude	B-Device
modulation	I-Device
,	O
a	O
condition	O
that	O
results	O
from	O
imperfect	O
modulation	O
in	O
which	O
the	O
positive	O
and	O
negative	O
excursions	O
of	O
the	O
modulating	O
envelope	B-Algorithm
are	O
unequal	O
in	O
amplitude	O
.	O
</s>
<s>
Note	O
1	O
:	O
The	O
carrier	B-Device
shift	I-Device
results	O
in	O
a	O
change	O
in	O
carrier	O
power	O
.	O
</s>
<s>
Note	O
2	O
:	O
The	O
carrier	B-Device
shift	I-Device
may	O
be	O
a	O
shift	O
to	O
a	O
higher	O
or	O
to	O
a	O
lower	O
frequency	O
.	O
</s>
