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ModuleInformation

ELE2020

Signals and Communications Systems 2

Course Contents

  • Discrete-time systems and difference equations
  • approximation to continuous-time systems
  • simulation of discrete-time systems
  • simulation-based response
  • response by classical method
  • poles and zeros
  • frequency response
  • impulse response sequence.
  • Convolution and deconvolution
  • z-transforms
  • system response
  • FIR and IIR realization of discrete-time systems
  • Digital filters
  • Fourier Transforms
  • Parseval's theorem
  • Sampling theorem and aliasing.
  • Information theory
  • Noise (sources, calculations, Frii’s law)
  • Baseband digital transmission and error detection,
  • Inter-symbol interference
  • Channel capacity and bandwidth efficiency
  • Digital modulation and demodulation (ASK,FSK,MSK,PSK,QPSK,QAM)
  • MATLAB signal processing toolbox.

Supplementary Notes

None

Learning Outcomes

  • Numeracy
  • Problem solving
  • To provide students with a theoretical basis of signals and systems, with an emphasis on the discrete-time domain
  • Further study in control, communications and signal processing.
  • To provide students with the theoretical basis required for understanding the principles of communications systems and communication link performance.

Skills

  • Assimilation of lecture material, its extrapolation to allow system design and problem solving, reinforcement through practical laboratory sessions
  • Assimilation of discrete-time techniques
  • Understanding the problems of discrete time
  • Solution of simple problems using the MATLAB software package