exam

• LOCATION


  Swansea
• LEVEL


  4
• EXAMINATION PERIOD


  MOCK
• MODULE CODE


  ACDA4009
• Module Name


  Signals and System
• TIME


  2 HOURS
• Equipment or materials required – None
• u(t)


  1 if t<0, 0 if t>0
• [n]


  0 if n≠0, 1 if n=0
• Question 1


  1. Identify the Signals and provide the name of the function

  2. Illustrate its graphical representation

  3. For the rectangular pulse x(t), sketch the time scaling for y(t) = x(2t+3) and u(t) = y(2t+2)

  4. Illustrate the graph of a triangular pulse x(t) with unit amplitude and duration of 4 time units

  5. Compress the triangular pulse signal using time variant of 2