Shivaji University 2009-5th Sem B.E T.E(Electrical)- , Digital Signal Processing(New) - Question Paper
It is Digital Signal Processing (DSP) paper for 3rd year electrical engineering students for Dec 2009 in Shivaji University, Kolhapur.
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SCHt
No.
T.E. (Electrical Engg.) (Semester - V) Examination, 2009 DIGITAL SIGNAL PROCESSING (New)
Day and Date: Saturday. 5- i 2- 2009 Max, Marks: 100
Time: 10.30 a,m. to L30 p.n\.
iSioie ; Anempi a?iy three questions from each Section.
SECTION-;
1. <i) DeUinrunefbe response of the system defined by :
y (n)y((n - I) - *; y {n -- 2} * x {n}
6 6
lo the input sign?*!
x {a) 5 (n) - 6 {n -1) vvb ere *1
6(n) Ls the impose signal. 8
h) Derive the condition ofihe stability for system and cheek She slab?Illy property of system described as H
y(n} - e xH
2. uj Deriveihe relation between DPT and Z-tns!bnn IbrN-poiiit .sequence. 8
b) irX;(n)-[l72J72] and X:(nM2?UJ!
obtain the circular convolution us Ing DFT - ID FT property, 8
5. a) Obtain the direct form II, cascade and paral lel realization of:
U 1 * :
4
H(z)- ';r
I i-r Z ' j j i - -7 7. ' V /
*2. -v
b) Explain with block diagram the architecture of DSP TMS 320 comr<>Uer. ?>
6. a) Design- a second order Bmid Pass Bucierwonh uker xhu meets following
spec rJtlcc3iEOJ3ft :
Lower cut off freq ucney 210 Hz
Upper etU off frequency ' 330 Hz
Sapling frequency "-960 sps.
Also realize the reselling futcr structure in direct fon'n 1. S
b) i::xp[fUTi q ion error in Rounding and truncation, 8
7. .) Design an FIR low ptiss nHer for me specHicadons given as:
for0<f<5H/,
0 Is ise where
The sampling frequency is 20 sps and the -impulse response is to have chxadon
of 1 see. 8
b) What is window function ? HxpTalsi the need ofwindowjng and differs; window llincdons used. &
8. a j Explain enec o i fin i It wo rd i.cn gt.h o fi the a Eabi i Ixy tip. d frcq uo riey re spon ss: of
digital 11 Iters, 8
l>) Design a Digital (liter usmgBilinear irausfortriauon method if
M(s)=-t'-......-
s" 4- 0,4s 4- \
fto.d ihe cutoff frequency is i 0 H:/. with the sampling frequency of 60 Hz. S
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