DSP4_konvolusi

# DSP4_konvolusi - Politeknik Elektronika Negeri...

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Unformatted text preview: Politeknik Elektronika Negeri Surabaya (2011) – Hary Oktavianto DSP: Convolution in LTI-system Terminologi Konvolusi: Operasi matematik pada dua fungsi, menghasilkan fungsi ketiga, yang jika dilihat merupakan modifikasi dari sinyal aslinya. Sistem LTI: Sistem dengan sifat linear dan time- invariant. Penjumlahan Konvolusi pada sistem LTI g2012 [ g1866 ] g3021 → ℎ[ g1866 ] g2012g4670g1866 − g1863 g4671 g3021 → ℎ[ g1866 − g1863 ] ∝ g2012 [ g1866 − g1863 ] g3021 → ∝ ℎ[ g1866 − g1863 ] g1876 [ g1863 ] g2012 [ g1866 − g1863 ] g3021 → g1876 [ g1863 ] ℎ[ g1866 − g1863 ] g3533 g1876 [ g1863 ] g2012 [ g1866 − g1863 ] g2998 g3038g2880g2879g2998 g3021 → g3533 g1876 [ g1863 ]ℎ[ g1866 − g1863 ] g2998 g3038g2880g2879g2998 g1876g4670g1866g4671 g3021 → g1877 [ g1866 ] (TI) (Linear) Maka: g1877 [ g1866 ] = g3533 g1876g4670g1863g4671 ℎ g4670g1866 − g1863g4671 g2998 g3038g2880g2879g2998 = g1876 [ g1866 ] ∗ ℎ[ g1866 ] untuk setiap sistem-LTI SIfat konvolusi...
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