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Capitolul 1: Semnale

Capitolul 1: Semnale

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Frecvenţe joase, înalte<br />

• Frecvenţe joase: ω mic<br />

• Cazul extrem: semnalul constant, când ω = 0<br />

• Frecvenţe înalte: |ω| aproape de π<br />

• Frecvenţa maximă este ω = π<br />

1<br />

0.5<br />

... ...<br />

0<br />

n<br />

−0.5<br />

−1<br />

−8 −6 −4 −2 0 2 4 6 8<br />

PS cap. 1: <strong>Semnale</strong> – p. 12/43

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