Lecture 18 Blog, ECE438 Fall 2013, Prof. Boutin

Monday September 30, 2013 (Week 7) - See Course Outline.

Jump to Lecture 1, 2, 3 ,4 ,5 ,6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,21 ,22 ,23 ,24 ,25 ,26 ,27 ,28 ,29 ,30 ,31 ,32 ,33 ,34 ,35 ,36 ,37 ,38 ,39 ,40 ,41 ,42 ,43 ,44


Today we obtained a simple formula for reconstructing the DTFT of a signal from its DFT. We saw that the formula is valid as long as the length of the DTFt is no shorter than the length of the signal. We then moved on to the FFT.

Action Items

  • Keep working on HW 6.
  • Continue preparing for the first test. When you think you are completely ready for the test, then set aside 50 minutes and solve the following practice exam:
(we will go over the solution of that exam on Wednesday October 1.)


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