<s>
The	O
cross-correlation	B-Algorithm
matrix	I-Algorithm
of	O
two	O
random	B-General_Concept
vectors	I-General_Concept
is	O
a	O
matrix	O
containing	O
as	O
elements	O
the	O
cross-correlations	O
of	O
all	O
pairs	O
of	O
elements	O
of	O
the	O
random	B-General_Concept
vectors	I-General_Concept
.	O
</s>
<s>
The	O
cross-correlation	B-Algorithm
matrix	I-Algorithm
is	O
used	O
in	O
various	O
digital	O
signal	O
processing	O
algorithms	O
.	O
</s>
<s>
The	O
random	B-General_Concept
vectors	I-General_Concept
and	O
need	O
not	O
have	O
the	O
same	O
dimension	O
,	O
and	O
either	O
might	O
be	O
a	O
scalar	O
value	O
.	O
</s>
<s>
where	O
denotes	O
Hermitian	B-Algorithm
transposition	I-Algorithm
.	O
</s>
<s>
Respectively	O
for	O
complex	O
random	B-General_Concept
vectors	I-General_Concept
:	O
</s>
