ClassNotes6-FFT

# ClassNotes6-FFT - Physics 434 Continuing Module 4 week 2...

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Physics 434 Module 4-FFT – Thanks 1 Physics 434: Continuing Module 4 week 2: the Fourier Transform Explore Fourier Analysis and the FFT

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Physics 434 Module 4-FFT 2 The Fourier Transform dt t h e H d H e t h t i t i ) ( ) ( inverse and the ) ( ) ( 2 1 = = - ϖ π
Physics 434 Module 4-FFT 3 Exploration VI

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Physics 434 Module 4-FFT 4 The resonance function: a damped harmonic oscillator Note that this is the response function to driving the system at a frequency ϖ . - + = - - = = + + ϖ r r r r r iQ A H Q Q i t A t h t h dt d Q dt d 1 ) ( : is ansform Fourier tr Its 2 1 4 1 1 exp ) ( constant) arbitrary n is (A is 0 ) ( equation al differenti oscillator harmonic damped the o solution t The 2 2 2 2
Physics 434 Module 4-FFT 5 Now, go from continuous sample to discrete-time sample

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## This note was uploaded on 01/28/2012 for the course PHYSICS 434 taught by Professor Leslierosenberg during the Fall '10 term at University of Washington.

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ClassNotes6-FFT - Physics 434 Continuing Module 4 week 2...

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