Capitolul 1: Bancuri de filtre
Capitolul 1: Bancuri de filtre
Capitolul 1: Bancuri de filtre
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PAS cap. 1: <strong>Bancuri</strong> <strong>de</strong> <strong>filtre</strong> – p. 39/75<br />
BFO—implementare <strong>de</strong> tip latice<br />
• Bancul <strong>de</strong> analiză<br />
✓✏<br />
x✲<br />
✲ ↓2<br />
✲<br />
β<br />
❄ ✒✑ ✣ ✣ ✣<br />
z −1 · · ·<br />
✓✏<br />
✲ ↓2 ❫ ✲<br />
z<br />
✒✑<br />
−1 ❫ ✲ ✲<br />
z −1 ❫<br />
• Matricele G k se împart la c k<br />
• Rezultă un factor <strong>de</strong> corecţie β<br />
• Bancul <strong>de</strong> sinteză<br />
−α 1 −α 2 −αÑ+1<br />
α 1 α 2 αÑ+1<br />
✓✏<br />
✲<br />
z −1 ✲ ✲<br />
z<br />
✣<br />
✣<br />
−1 ✲ ↑2<br />
αÑ+1 α 2<br />
✣α 1<br />
✒✑❄<br />
· · ·<br />
z −1 ✓✏<br />
−αÑ+1 −α 2 −α 1<br />
❫ ✲ ❫ ❫ ✲ ↑2 ✲❄ y<br />
✒✑<br />
✲<br />
✲