Lecture 5.1: Outline
Lecture 5.1: The Fourier Transform
- complex numbers brushup
 - intuitive basis of Fourier transform
 - properties, time-frequency symmetries
 - examples of applications
 
 - speech spectrograms
 
 - JPEG
 
 - fast convolution
 
 - search for periodicities in geophysics, economics, biology, etc.
 
 
 
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