EGERTON UNIVERSITY EEEN462 - ANALOGUE COMMUNICATION SYSTEMS

Pre-requisites:

 Analogue Electronics

Course Purpose:

 To enable the student to understand the properties and representation of signals in time and frequency domain as well as various modulation schemes.

Expected Learning Outcomes:

 At the end of this course, the student should be able to:

1. Perform signal analysis and interpretation.

2. Explain various signal modulation schemes. Explain various multiplexing schemes

Course Content:

Signal Analysis: Signal representation in time and frequency domain. Generalized expansion in complete orthonormal sets. Interpretation of signals as vectors in signal space. Fourier series.

Fourier and Laplace Transforms. Signal spectra and their properties. Rayleigh theorem. Sampling theorem for baseband and passband signals.

Power and spectral energy densities: The DFT. the FFT. The Hilbert Transform.

Deterministic signals through linear systems.

Analog Modulation: Need for modulation. Linear Modulation: AM, DSB, VSB, SSB.Angle modulation FM & PM.

Demodulators for AM and FM signals.

Frequency division multiplexing. Noise in analog modulation: Effects of noise in AM and FM systems.

Demodulator performance in the presence of noise. Pre-emphasis and de-emphasis filtering threshold in FM system.

Comparison of system performance in noise (AM & FM).

Instruction method

Lectures: 2 hours;

Tutorial: 1 hours per week,

Laboratory Exercises: At least Three Four experiments per semester with each practical session 3 hours long

Assessment

Regular Examination at end of Semester: 70 %,

Continuous Assessment: 30 % where

    10 % shall be continuous assessment tests,

    5 % shall be assignments

    15 % shall be labs.

The students must complete and pass all the labs before they can be allowed to proceed to the next class.