<s>
Range	B-Algorithm
ambiguity	I-Algorithm
resolution	I-Algorithm
is	O
a	O
technique	O
used	O
with	O
medium	O
Pulse	O
repetition	O
frequency	O
(	O
PRF	O
)	O
radar	O
to	O
obtain	O
range	O
information	O
for	O
distances	O
that	O
exceed	O
the	O
distance	O
between	O
transmit	O
pulses	O
.	O
</s>
<s>
This	O
signal	O
processing	O
technique	O
is	O
required	O
with	O
pulse-Doppler	B-Algorithm
radar	I-Algorithm
.	O
</s>
<s>
Range	B-Algorithm
ambiguity	I-Algorithm
resolution	I-Algorithm
is	O
required	O
to	O
obtain	O
the	O
true	O
range	O
when	O
the	O
measurements	O
are	O
made	O
using	O
a	O
system	O
where	O
the	O
following	O
inequality	O
is	O
true	O
.	O
</s>
<s>
Pulse-Doppler	B-Algorithm
can	O
reliably	O
resolve	O
true	O
range	O
at	O
all	O
distances	O
less	O
than	O
the	O
Instrumented	O
Range	O
.	O
</s>
<s>
The	O
optimum	O
pair	O
of	O
PRF	O
used	O
for	O
a	O
pulse-Doppler	B-Algorithm
detection	O
scheme	O
must	O
be	O
different	O
by	O
a	O
minimum	O
of	O
.	O
</s>
<s>
The	O
process	O
shown	O
above	O
is	O
a	O
type	O
of	O
digital	O
convolution	B-Language
algorithm	O
.	O
</s>
<s>
This	O
causes	O
scalloping	B-Algorithm
,	O
where	O
the	O
radar	O
can	O
be	O
blind	O
for	O
some	O
combinations	O
of	O
speed	O
and	O
distance	O
.	O
</s>
