 # EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING Regulation 2017 Anna University

## EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING

EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING Regulation 2017 Anna University free download. DISCRETE TIME SIGNAL PROCESSING Important 8 Mark Questions EC8553 pdf free download.

### Sample EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING:

Summarize the following properties of DFT: Periodicity, Conjugation, Circular frequency shifting & Multiplication. (13)

How will you determine the circular convolution of the following sequence????(????)={1,1,2,1}, ℎ(????)={1,2,3,4} using DFT and IDFT method? (13) EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING

Construct the circular convolution of two finite duration sequences????1(????)={1,−1,−2,3,−1}; ????2(????)={1,2,3}. (13)

Demonstrate the output y(n) of a filter whose impulse response ℎ(????)={1,1,1} and input signal ????(????)={3,−1,0,1,3,2,0,1,2,1} using overlap save method and overlap add method. (13)

Illustrate the 8-point DFT of a sequence ????(????)={0.5,0.5,0.5,0.5,0,0,0,0}. (13) EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING

(i) Analyze the inverse DFT of ????(????)={1,2,3,4} (7)
(ii) Compare overlap add and overlap save method. (6)

(i) Develop the steps for radix-2 DIT FFT algorithm. (7)
(ii) Solve the 8-point of a given sequence ????(????)=????+1 using DIT-FFT algorithm. (6) EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING

(i) Describe the steps for radix-2 DIF FFT algorithm. (7)
(ii) Find the 8-point of a given sequence ????(????)={1,2,2,1,1,2,2,1} using DIF-FFT algorithm. (6)

(i) Show that FFT algorithm helps in reducing the number of computations involved in DFT computation. (7)

Examine the 8-point DFT of the sequence ????(????)={2,2,2,2,1,1,1,1} using decimation in time FFT algorithm. (13) EC8553 Important 8 Mark Questions DISCRETE TIME SIGNAL PROCESSING

Estimate the DFT for the sequence {1,2,3,4,4,3,2,1} using Radix-2 Decimation in Frequency algorithm. (13)

Calculate IDFT of the sequence X(K)={7,−0.707−j0.707,−j,0.707−0.707,1,0.707+j0.707,j,−0.707+j0.707 using DIT algorithm.

 Subject name DISCRETE TIME SIGNAL PROCESSING Short Name DTSP Semester 5 Subject Code EC8553 Regulation 2017 regulation