Aliasing SpokeStroboscope Example - PowerPoint PPT Presentation
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Title:
Aliasing SpokeStroboscope Example
Description:
Let there be a stroboscope flashing once per sec. Change s and see the effects. Aliasing --- Spoke/Stroboscope Example s = 1/8 cps: (Appears turning. clockwise) ... – PowerPoint PPT presentation
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Title: 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!!)
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