Haystack Radar
Haystack Radar
Haystack Radar
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Pulsed <strong>Radar</strong><br />
Terminology and Concepts<br />
Pulse length<br />
100 µsec<br />
Power<br />
Peak power<br />
1 Mwatt<br />
Target<br />
Return<br />
1 µwatt<br />
Pulse repetition interval<br />
(PRI) 1 msec<br />
Time<br />
Duty cycle =<br />
Pulse length<br />
Pulse repetition interval<br />
10%<br />
Average power = Peak power * Duty cycle<br />
100 kWatt<br />
Pulse repetition frequency (PRF) = 1/(PRI)<br />
1 kHz<br />
<strong>Haystack</strong> 2003-15<br />
AJC 7/20/11<br />
Continuous wave (CW) radar: Duty cycle = 100% (always on)<br />
MIT <strong>Haystack</strong> Observatory
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