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PRELUCRAREA SEMNALELOR:

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6 CAPITOLUL 1. SEMNALE<br />

1<br />

0.5<br />

... ...<br />

0<br />

n<br />

−0.5<br />

−1<br />

−6 −4 −2 0 2 4 6 8 10 12 14<br />

Figura 1.3: Semnalul sin(πn/3), de perioadă 6.<br />

sin(πt/3).<br />

Punctat, sinusoida continuă<br />

1<br />

0.5<br />

... ...<br />

0<br />

n<br />

−0.5<br />

−1<br />

−6 −4 −2 0 2 4 6 8 10 12 14<br />

Figura 1.4: Semnalul aperiodic sinn. Punctat, sinusoida continuă sint.

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