Jeff Keller wrote:
I understand moving pictures of wagon wheels showing aliasing. ..... I don't
remember any of my discrete Fourier transform classes and digital signal
processing classes giving real life examples like that (my memory often needs
prodding though).
I never got to that kind of math, so I have to make do with simple examples.
I must be pretty dense ... I don't visualize early trains and sampling.
Earliest trains were in the UK. Lots of periodic elements like fences,
iron bridges, etc. in the view of passengers. Someone already posted
about the aliasing effects of fences viewed through each other.
Moose
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