EC2204 Signals and Systems - Nov / Dec 2013 Important Questions

[Srini]

Anna University

Department of Electronics and Communication Engineering

Third Semester

EC2204 Signals and Systems

Nov / Dec 2013 Important Questions

(Regulation 2008) 

Unit 1
1. Sketch out the signals
2. Check whether the signal is energy or power signal.
3. Check whether the signal is periodic or non-periodic.
4. Basic properties of system (static/dynamic, causal/non-causal,  ….)
5. Properties of LTI system (causality,stability).

Unit 2
1. Find the F.S & F.T of periodic signals (triangle, rectangle).
2. Half wave & Full wave rectifier signals.
3.  Properties of F.T with problems.
4.  Convolution problems.
5.  Properties of L.T.
6.  Find inverse L.T of X(s).

Unit 3
1. Find  a.)transfer function b.)impulse response c.)response of the system from the given differential equation.
2. Find the response of the system whose input is x(t) & the impulse response is h(t).
3. Convolution Integral problems (triangle & u(t)).
4. Matrix representation problems. 

Unit 4
1. State & Derive Sampling theorem.
2. Explain in detail about aliasing effect.
3. Find highest sampling frequency & NyQuist rate for x(t).
4. Properties of DTFT.
5. Properties of Z.T.

Unit 5
1. Problems on Convolution sum.
2. Find a.)transfer function  b.)impulse response  c.)response of the system  from given Difference equation.
3. Find the response of the system whose input is x(n) & the impulse response is h(n).
4. Matrix Representation problems.