1.3.1 - Signal Processing

  • Create a blank VI
  • Recreate the VI below
  • Use the following Express VIs:
    • Create Analog Signal
      • SignalExpress->Create Signals->Create Analog Signal
      • Freq = 20 Hz
      • Add Noise (0,2)
      • Samples/s = 10000 Hz
    • Filter
      • Express->Signal Analysis->Filter
      • Lowpass
      • Cutoff Freq = 35 Hz
    • Tone Measurements
      • SignalExpress->Signal Analysis->Tone Measurements
      • Frequency
  • To make the graphs appear as below:
    • Disable Autoscale Y
    • Set Y-limits to -1 to 1
    • Run and stop the VI, and right-click the right X-value
    • Set it to 0,1 larger than the left

Created by Samuel Thrysøe © 2013