Penapisan Digital Finite Impulse Response dengan Metode Overlap-Add Berbasiskan Discrete Cosine Transform  

Oleh:

Sumarno, Linggo

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 3 no. 1 (Jan. 2000), page 45-53.
Topik: discrete cosine transform; overlap-add; finite impulse response filtering; overlap-save

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Based on signal segmentation, two methods of Finite Impulse Response (FIR) filtering can be implemented using Discrete Cosine Transform (DCT) i.e. overlap-add and overlap-save. The FIR filtering using overlap-save method based on DCT has been proven (Sumamo, 1999). In this paper we prove the overlap-add method for FIR filtering based on DCT. The simulation of digital FIR filtering with an overlap-add method based on DCT shows that this kind of FIR filtering has similar performace compared to that of the overlap-save, including ripple and signal attenuation in the pass band.

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