Important question

EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING Regulation 2017 Anna University

EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

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

Sample EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING:

Define unit step function.

Test the causality and stability of ????(????)=sin????(????).

Compare energy and power signal.

Check and explain whether the system ????(????)=????????(????) is linear or not?

Compute the DFT of the sequence ????(????)={1,−1,1,−1}.

Describe about Discrete Fourier Transform. EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

Give the time reversal property of DFT.

Explain Parseval’s relation.

State and prove periodicity property of DFT.

Obtain the circular convolution of ????(????)={1,2,1} ; ℎ(????)={1,−2,2}

Discuss about overlap save method. EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

What is zero padding? What are its uses?

What is twiddle factor?

Identify the advantages of FFT over DFT.

Outline the concept of bit reversal in FFT?

How many stages of decimations are required in the case of a 64point radix-2 DIT FFT algorithm? EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

Estimate the number of multiplications required in the computation of 8-point DFT using FFT.

Point out the usage of in-place computation in FFT?

Draw the basic butterfly diagram of radix-2 DIT FFT.

Write the applications of FFT algorithm.

List the different types of filters based on frequency response.

Write the properties of Butterworth filter.

Compare IIR and FIR filters. EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

Why do we go for analog approximation to design a digital filter?

Mention the requirements for the digital filter to be stable and causal.

Justify why impulse invariant method is not preferred in the design of IIR filter other than LPF? EC8553 Important Questions DISCRETE TIME SIGNAL PROCESSING

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

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