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* Review by Miguel Castellanos
 
* Review by Miguel Castellanos
You have a good mix of derivations/figures and explanations (text), which makes easy to follow your thought process and is important to explaining the concepts. Your first two figures clearly show how to downsample a signal. Some small mistakes are a convolution symbol in your first derivation that should not be there, your sum  for the expression of the DTFT of a downsampled signal should start from 0, and your last figure shows a different cutoff frequency than what you derived. Other than that, nicely done!
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You have a good mix of derivations/figures and explanations (text), which makes it easy to follow your thought process and is important to explaining the concepts. Your first two figures clearly show how to downsample a signal. Some small mistakes are a convolution symbol in your first derivation that should not be there, your sum  for the expression of the DTFT of a downsampled signal should start from 0, and your last figure shows a different cutoff frequency than what you derived. Other than that, nicely done!
 
**Author answer here
 
**Author answer here
 
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Revision as of 12:59, 14 October 2014


Questions and Comments for

Downsampling

A slecture by ECE student Yerkebulan Yeshmukhanbetov



Please post your reviews, comments, and questions below.



  • Review by Miguel Castellanos

You have a good mix of derivations/figures and explanations (text), which makes it easy to follow your thought process and is important to explaining the concepts. Your first two figures clearly show how to downsample a signal. Some small mistakes are a convolution symbol in your first derivation that should not be there, your sum for the expression of the DTFT of a downsampled signal should start from 0, and your last figure shows a different cutoff frequency than what you derived. Other than that, nicely done!

    • Author answer here

  • Review by student 2
    • 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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Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

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