**EC1216 SIGNALS AND SYSTEMS 3 1 0 100**

**AIM**

To study and analyse characteristics of continuous, discrete signals and systems.

**OBJECTIVES**

• To study the properties and representation of discrete and continuous signals.

• To study the sampling process and analysis of discrete systems using z-transforms.

• To study the analysis and synthesis of discrete time

systems.

**1. CLASSIFICATION OF SIGNALS AND SYSTEMS 9**

Continuous time signals (CT signals), Discrete time signals (DT signals)- Step, Ramp, Pulse, Impulse, Exponential, Classification of CT and DT signals- Periodic and Aperiodic, random signals, CT systems and DT systems, Classification of systems - Linear Time invariant systems.

**2. ANALYSIS OF CT SIGNALS 9**

Fourier series analysis, Spectrum of CT signals, Fourier Transform and Laplace Transform in Signal Analysis.

**3. LTI - CT SYSTEMS 9**

Differential equation, Block diagram representation, Impulse response, Convolution integral, Frequency response, Fourier Methods and Laplace transforms in analysis, State equations and Matrix.

**4. ANALYSIS OF DT SIGNALS 9**

Spectrum of DT signals, Discrete Time Fourier Transform (DTFT), Discrete Fourier Transform (DFT), Properties of Z-transform in signal analysis.

**5. LTI - DT SYSTEMS 9**

Difference equations, Block diagram representation, Impulse response, Convolution SUM, Frequency response, FFT and Z-transform analysis, State variable equation and Matrix.

**TUTORIAL 15**

**TOTAL : 60**

**TEXT BOOK**

1. Allan V. Oppenhein et al, “Signals and Systems”, Prentice Hall of India Pvt. Ltd, 1997.

**REFERENCES**

1. Ashok Ambardar, “Analog and Digital Signal Processing”, Thomson Learning Inc., 1999.

2. Douglas K.Lindner, “Signals and Systems”, McGraw-Hill International, 1999.

3. Simon Haykin and Barry Van Veen, “Signals and Systems”, John Willey & Sons, Inc, 1999.

4. Roger E. Zeimer et al, “Signals and Systems”, Continuous and Discrete, McMillan, 2 ED, 1990.

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