1

b. Test the time invariance, linearity and causality ofthe following;

y(n) = x(—n) 209-109) (4 marks)

PART B
a. Obtain H(z) using the Impulse invariant technique for an analog system function

which is given by

Ha(s) =(s+0.5)(s? +0.5s+2) (6 marks)

b. Briefly explain the finite word length effects in the realization of digital filters,
(4 marks)

a.Design the band-pass linear phase FIR filter having cut-off frequencies of
५, = 1 rad/sample and = 2 rad/sample. Obtain the unit sample response through following
window.

1 for O'n6
(1) = ¶ 0 elsewhere

Also, obtain the magnitude/frequency response. (7 marks)

b. Explain the steps involved in the design of FIR filter (3 marks)

a. Briefly explain about quantization errors introduced due to truncation and rounding.

(5 marks)

0. Briefly explain about Discrete Fourier Transform Computations. (5 marks)

PART ^

a. Explain the need for time frequency Analysis. Also discuss about the time distribution and
frequency distribution (4 marks)

b. Briefly explain the sampling rate conversion by a rational factor LID. (6 marks)

a. Briefly explain the addressing modes of TMS C240 DSP processor (5 marks)