Anna University Regulation 2013 Electronics and Communication Engineering (ECE) EC6303 SS Notes for all 5 units are provided below. Download link for ECE 3rd SEM EC6303 Signals & Systems Lecture Notes are listed down for students to make perfect utilization and score maximum marks with our study materials.

EC6303 SIGNALS AND SYSTEMS L T P C 3 1 0 4

OBJECTIVES:

 To understand the basic properties of signal & systems and the various methods of classification

 To learn Laplace Transform &Fourier transform and their properties

 To know Z transform & DTFT and their properties

 To characterize LTI systems in the Time domain and various Transform domains

UNIT I CLASSIFICATION OF SIGNALS AND SYSTEMS 9

Continuous time signals (CT signals) – Discrete time signals (DT signals) – Step, Ramp, Pulse, Impulse, Sinusoidal, Exponential, Classification of CT and DT signals – Periodic & Aperiodic signals, Deterministic & Random signals, Energy & Power signals – CT systems and DT systems- Classification of systems – Static & Dynamic, Linear & Nonlinear, Time-variant & Time-invariant, Causal & Noncausal, Stable & Unstable.

UNIT II ANALYSIS OF CONTINUOUS TIME SIGNALS 9

Fourier series analysis-spectrum of Continuous Time (CT) signals- Fourier and Laplace Transforms in CT Signal Analysis – Properties.

UNIT III LINEAR TIME INVARIANT- CONTINUOUS TIME SYSTEMS 9

Differential Equation-Block diagram representation-impulse response, convolution integrals-Fourier and Laplace transforms in Analysis of CT systems

UNIT IV ANALYSIS OF DISCRETE TIME SIGNALS 9

Baseband Sampling – DTFT – Properties of DTFT – Z Transform – Properties of Z Transform

UNIT V LINEAR TIME INVARIANT-DISCRETE TIME SYSTEMS 9

Difference Equations-Block diagram representation-Impulse response – Convolution sum- Discrete Fourier and Z Transform Analysis of Recursive & Non-Recursive systems

TOTAL (L:45+T:15): 60 PERIODS

OUTCOMES:

Upon the completion of the course, students will be able to:

 Analyze the properties of signals & systems

 Apply Laplace transform, Fourier transform, Z transform and DTFT in signal analysis

 Analyze continuous time LTI systems using Fourier and Laplace Transforms

 Analyze discrete time LTI systems using Z transform and DTFT

TEXT BOOK:

1. Allan V.Oppenheim, S.Wilsky and S.H.Nawab, “Signals and Systems”, Pearson, 2007.

REFERENCES:

1. B. P. Lathi, “Principles of Linear Systems and Signals”, Second Edition, Oxford, 2009.

2. R.E.Zeimer, W.H.Tranter and R.D.Fannin, “Signals & Systems – Continuous and Discrete”, Pearson, 2007.

3. John Alan Stuller, “An Introduction to Signals and Systems”, Thomson, 2007.

4. M.J.Roberts, “Signals & Systems Analysis using Transform Methods & MATLAB”, Tata McGraw Hill, 2007.

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