Perancangan dan Pembuatan Difuser QRD (Quadratic Residue Difuser) 0142241 dengan Lebar Sumur 8,5 cm

Arif Pugoh Nugroho, Lila Yuwana, Gontjang Prajitno
Submission Date: 2013-02-05 09:25:45
Accepted Date: 2013-03-15 18:32:16

Abstract


Telah dilakukan penelitian tentang pengaruh lebar sumur terhadap pola hamburan diffuser QRD (Quadratic Residue Diffuser) 0142241. Pengukuran dilakukan dengan menggunakan metode medan bebas (anechoic). Penelitian dilakukan di Ruang Uji Laboratorium Instrumentasi Akustik Fisika FMIPA ITS dengan melakukan pengukuran distribusi SPL pada permukaan dengan menggunakan diffuser dan tanpa menggunakan diffuser. Hasil pengukuran menunjukkan bahwa pola hamburan difuser dengan lebar sumur 8,5 cm lebih merata pada frekuensi 2000 Hz daripada frekuensi yang lainnya.

Keywords


difuser; medan bebas; pola hamburan; QRD; SPL

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