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σηματα και συστηματα-i

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1<br />

0.5<br />

-4 -2 2 4<br />

-0.5<br />

-1<br />

1<br />

ut ( + τ /2)<br />

-τ/2<br />

τ/2<br />

−ut<br />

( −τ<br />

/2)<br />

1<br />

ut ( τ τ<br />

+ ) −ut ( − ) = p τ<br />

2 2<br />

4

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