ss04_hwk3 - E.M.P., Sqolă H.M. & M.U. Hmer/nia:...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
E.M.P., Sqolă H.M. M.U. Sămata kai Sustămata Akad.Etoc 2003-04 Hmer/nia: 2-6-2004 3o SÔnolo Askăsewn Paradotèo: 11-06-2004 Askhsh 3.1 :
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Askhsh 3.2 : (a) Oi epìmenec dÔo sunartăseic eÐnai sămata diakritoÔ qrìnou. Na breÐte touc metasqhmati- smoÔc Fourier X (Ω) pou antistoiqoÔn se kĹje săma: α. 1 x ( n ) = 2 n u ( - n ) α. 2 x ( n ) = cos(18 n/ 7) + sin(2 n ) (b) Oi epìmenec dÔo sunartăseic eÐnai metasqhmatismoÐ Fourier shmĹtwn diakritoÔ qrìnou. Na breÐte ta sămata x ( n ) pou antistoiqoÔn se kĹje metasqhmatismì: β. 1 X (Ω) = + X k = -∞ ( - 1) k δ - πk 2 ) β. 2 X (Ω) = cos 2 (Ω) ExhgeÐste thn ergasÐa sac. Askhsh 3.3 : Sac dÐnetai èna sÔsthma diakritoÔ qrìnou, to opoÐo eÐnai grammikì, qronikĹ analloÐwto kai aitiatì, me eÐsodo x ( n ) kai èxodo y ( n ) . To sÔsthma orÐzetai apì èna zeÔgoc exisÿsewn
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

ss04_hwk3 - E.M.P., Sqolă H.M. & M.U. Hmer/nia:...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online