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Contoh Soal decimation –in- frequency FFT

Contoh Soal decimation –in- frequency FFT Bila diketahui 8-point DFT dari output suatu sistem adalah :. Tentukan output y(n) dari sistem tersebut menggunakan decimation-in-frequency algoritm. Jawab : Algoritma dari IFFT hampir sama dengan algoritma dari FFT, hanya definisi W N –nya berbeda.

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Contoh Soal decimation –in- frequency FFT

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  1. Contoh Soal decimation –in- frequency FFT Bila diketahui 8-point DFT dari output suatu sistem adalah : Tentukan output y(n) dari sistem tersebut menggunakan decimation-in-frequency algoritm Jawab : Algoritma dari IFFT hampir sama dengan algoritma dari FFT, hanya definisi WN –nya berbeda

  2. Y(0) Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) F0 F1 F2 F3 F4 F5 F6 F7

  3. G0 G1 G2 G3 G4 G5 G6 G7 F0 F1 F2 F3 F4 F5 F6 F7

  4. G0 G1 G2 G3 G4 G5 G6 G7 H0 H1 H2 H3 H4 H5 H6 H7

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