<s>
Amplitude-comparison	B-Algorithm
monopulse	I-Algorithm
refers	O
to	O
a	O
common	O
direction	B-Device
finding	I-Device
technique	O
.	O
</s>
<s>
This	O
method	O
is	O
used	O
in	O
monopulse	B-Algorithm
radar	I-Algorithm
,	O
electronic	O
warfare	O
and	O
radio	O
astronomy	O
.	O
</s>
<s>
Amplitude	B-Algorithm
monopulse	I-Algorithm
antennas	O
are	O
usually	O
reflector	O
antennas	O
.	O
</s>
