DSP_C1 - X L S TN HI U DSP (DIGITAL SIGNAL PROCESSING) ThS....

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Unformatted text preview: X L S TN HI U DSP (DIGITAL SIGNAL PROCESSING) ThS. ng Ng c H nh hanhdn@hcmut.edu.vn Gi i thi u mn h c r Th i l ng: 45 ti t (15 tu n) r nh gi: c Thi Gi a h c k 20% c Bi t p l n + ki m tra trong l p 0% - 20% c Thi Cu i k 80% - 60% 2/19/2010 2 Ti li u tham kh o r Gio trnh chnh: X l s tn hi u & Wavelets L Ti n Th ng r Tham kh o: c J.Proakis, D.Manolakis, Introduction to Digital Signal Processing c S J.Orfanidis, Introduction to Signal Processing c Digital Signal Processing using Matlab V.4 2/19/2010 3 N i dung r Chng 1: L y m u v khi ph c tn hi u r Chng 2: L ng t r Chng 3: Cc h th ng th i gian r i r c r Chng 4: Bi n i Z r Chng 5: Bi n i Fourier r Chng 6: B l c FIR & Tch ch p r Chng 7: Hm truy n r Chng 8: Thi t k b l c s 2/19/2010 4 Chng 0 GI I THI U V DSP 2. X l s tn hi u r X l (Processing): r Trch thng tin (Extract information) r C i thi n ch t l ng tn hi u (improve signals) r D bo (predict signals) r Nn (compress signals) r X l s tn hi u = X l tn hi u b ng cc phng php s . 3. Tn hi u tng t Analog (analogue) signal r Lin t c theo th i gian, bi u di n cho 1 i l ng no thay i theo th i gian. r Bin c th thay i 1 cch lin t c. r M i s thay i nh trong tn hi u u c ngh a c V d : 4. Tn hi u s Digital signal r Tn hi u th i gian r i r c (Discrete-time signal) r Tn hi u s : c Tn hi u th i gian r i r c c c l ng t ha (bin ch c th chi m cc gi tr xc nh) c V d : 5. ng d ng c a DSP Chng 1: L Y M U & KHI PH C TN HI U CHNG 1: LY MU & KHI PHC TN HIU Qu trnh x l s cc tn hiu tng t: r S ha cc tn hiu tng t: ly mu & lng t ha cc mu ny (Analog b Digital) r Dng b x l s tn hiu (DSP) x l cc mu thu c r Cc mu sau khi x l s c khi phc li dng tng t bng b khi phc tn hiu tng t (Digital b Analog) 1 7-M a r- 1 12 r Cc h th ng DSP th c t : c PC & Sound card: CHNG 1: LY MU & KHI PHC TN HIU c Chip DSP chuyn d ng: Kit DSP TMS320C6713 CHNG 1: LY MU & KHI PHC TN HIU CHNG 1: LY MU & KHI PHC TN HIU Mt s c bn lin quan n tn hiu tng t: r Tn hiu tng t x(t), bin i Fourier ca x(t)...
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This note was uploaded on 01/18/2012 for the course INFORMATIK 2011 taught by Professor Phanthuongcang during the Winter '11 term at Cornell University (Engineering School).

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DSP_C1 - X L S TN HI U DSP (DIGITAL SIGNAL PROCESSING) ThS....

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