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Questions and Comments for

Downsampling in the Frequency Domain

A slecture by ECE student John Sterrett



Please post your reviews, comments, and questions below.



  • Review by Jacob Holtman

There should be a mathematical definition of down sampling and not just a graphical one. Also the points that are kept in the second graph should be explained better and not left to the reader to find. The equations are very well set up and it is easy to follow the logic. Also the example helps to explain why a filter is needed and limitations.

    • Author answer here

  • Review by Andrew Pawling

I agree that it does need a mathematical definition of down sampling. The plots are good and help illustrate the down-sampling. The Mathematical explanation is very clear and concise. The explanation of why the low-pass filter is needed is also good. Great job!

    • Author answer here

  • Review by student 3
    • Author answer here

  • Review by student 4
    • Author answer here

Back to ECE438, Fall 2014

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BSEE 2004, current Ph.D. student researching signal and image processing.

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