Aliasing SpokeStroboscope Example

1
Aliasing --- Spoke/Stroboscope Example

• Spoke/stroboscope example.
• Let there be one spoke in a wheel turning at ?s
  cycles per sec.
• Let there be a stroboscope flashing once per sec.
• Change ?s and see the effects.

2
Aliasing --- Spoke/Stroboscope Example

• ?s 1/8 cps (Appears turning clockwise)
• ?s 1/2 cps (Clockwise? Anti-clockwise?)
• ?s 7/8 cps (Appears turning
  anti-clockwise!!)
• ?s 1 cps (Appears stationary!!)