Electrical Communications Systems

Course No. 0909-331-01

Spring 2005


 
 
 

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Laboratory Project 1

Waveform Synthesis and Spectral Analysis 

Suggestions for a Good Laboratory Report

  • The following suggestions, specific to the various sections of your lab report are meant to be a listing of minimum expectations.
  • There is a lot to discover about ECOMMS as you do the labs - so keep your eyes and ears open - and record everything! (Also have fun...).
  • Feel free to experiment - i.e. do more than the suggested lab activity. This will improve your lab score.
  • You are encouraged to observe and record more than the minimum suggested here - this will also improve your lab score.
  • Talk to the instructor often - especially when you see/hear something that you cannot explain.

Page 1. Cover page 

  • Project Number
  • Project Title.
  • Course Number.
  • Names of Group Members.
  • Date handed in.

Pages 2 - 5

  • Objective
  • Equipment and Software used.
    • List exactly what you used.
  • Approach (Theory)
    • Provide a description (with releveant mathematics) of how random variable theory allows us to synthesize signals of arbitrary SNR.
    • Provide a description (with relevant mathematics) of how the DFT can be used to approximate the CFT. Under what conditions is the approximation valid?
    • Part 1 and 3: What do we expect to see in the time and frequency domains when we vary the SNR?
    • Part 4: What do we expect to see in the time and frequency domains?
  • Procedure
    • List what you actually did.

Page 6 - 

  • Results (tables and graphs)
    • Matlab figures of the time and spectral domain representations of the various waveforms  - label all axes.
  • Discussion of Results and Conclusions. 
    • Did you hear and see what you expected in the time and spectral domains? If not, why not?
    • Why is it important (and useful) to observe signals in the spectral domain? How does the FFT allow us to do this?
    • What can the tecnhiques learned in this lab be used for (as related to ECOMMS)?

Appendix 

  • Program listings, etc..
    • All your Matlab m-files.