1 (a)
State and explain relation between DTFS, DFT and ZT.

4 M

1 (b)
Explain the term linear phase & state its importance in digital filters.

4 M

1 (c)
What is need of DSP processor went high school processor are available?

4 M

1 (d)
What is meant by limit cycle in IIR system. Give example.

4 M

1 (e)
Explain different signal processing operations involved in sub-band coding.

4 M

2 (a)
Design 6

^{th}order linear phase LPF with cut of frequency π/2 using Blackman window function.
10 M

2 (b)
Explain Gibbs's phenomenon. State it's significance in FIR filter design.

10 M

3 (a)
Given \[ H(S) = \dfrac {1} {(s+1)(s+2)}, T=2 \ seconds \] Design digital IIR filter using BLT method. Explain Frequency warping in BLT.

10 M

3 (b)
A digital system is characterized by difference Equation, y(n)=0.9 y(n+1)+x(n) Explain the limit cycles generated in the output & determine the dead band of system when input x(n)=0 and y(-1)=12

10 M

4 (a)
Compute DFT of sequence \[ x(n) cos \left ( \dfrac {n\pi}{2} \right ), N=4 \] using DIF-FFT algorithm.

5 M

4 (b)
Find IDFT of x(k)={3,(2+j),1,(2-j)}

5 M

4 (c)
Find DTFS of x(n)={0, 1, 2, 3} with period N=4, State time shifting property of DTFS.

10 M

5 (a)
Explain how higher throughout is obtained in DSP using VLIW architecture.

10 M

5 (b)
In a recursive system defined by Transfer function \[ H(z) = \dfrac {1}{(1-0.35z^{-1} (1-0.62z^{-1}} \] Assume that products are rounded to 4-bits including sing bit and the product range is -1 to 1. Find output round-off noise power in direct form realization.

10 M

6 (a)
Explain different addressing modes of TMS320C67XX DSP processor.

10 M

6 (b)
What are the salient features of TMS320C67XX family of DSP processor.

10 M

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