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Sampleling

How does digital sampling affect resolution

ThinkLook aboutat imaging these object with a digital camera

 

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 How close together do pixels need to be?

or

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how often do you need to image a moving sample

Nyquist theory states that you should sample over  2 X the frequency that you expect to see.

expect.

Over sampling

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Nyquist sampling

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under sampling causes aliasing

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Optical transfer theory

M

 

references

https://imb.uq.edu.au/research/facilities/microscopy/training-manuals/microscopy-online-resources/image-capture/nyquist-conditions

https://microscopy.berkeley.edu/courses/dib/sections/02images/sampling.html