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Radar System Engineering

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698 RADAR RELAY [SEC. 17.6<br />

Video signals<br />

I<br />

a<br />

Basictrigger<br />

Tomodulator<br />

Waveforms<br />

Basictrigger<br />

A<br />

I<br />

I<br />

B<br />

Interrupted<br />

sinusoid<br />

c<br />

Phas~hifted<br />

sinusoid<br />

D<br />

E<br />

F<br />

G<br />

H<br />

z<br />

Phaseshifted pulses<br />

Delayed trigger<br />

Switching voltage<br />

Selected pulse train<br />

Modulator trigger<br />

Coded pulses<br />

I<br />

Ill Ill Ill Ill III [11 Ill Ill<br />

L<br />

Basic trigger<br />

(contracted time scale)<br />

J ‘deo‘witch ‘aveform ~<br />

If Output signals 111111~<br />

Pulses Video signal<br />

Fm. 17+3a —Phase-shifted pulses transmitting station.

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