<s>
A	O
sinusoidal	O
waveform	O
is	O
said	O
to	O
have	O
a	O
unity	B-Algorithm
amplitude	I-Algorithm
when	O
the	O
amplitude	O
of	O
the	O
wave	O
is	O
equal	O
to	O
1	O
.	O
</s>
<s>
This	O
terminology	O
is	O
most	O
commonly	O
used	O
in	O
digital	B-General_Concept
signal	I-General_Concept
processing	I-General_Concept
and	O
is	O
usually	O
associated	O
with	O
the	O
Fourier	O
series	O
and	O
Fourier	B-Algorithm
Transform	I-Algorithm
sinusoids	O
that	O
involve	O
a	O
duty	O
cycle	O
,	O
,	O
and	O
a	O
defined	O
fundamental	O
period	O
,	O
.	O
</s>
