EE261: The Fourier Transform and Its Applications (Fall 2011/2012)
Summary
The Fourier transform as a tool for solving physical problems. Fourier series, the Fourier transform of continuous and discrete signals and its properties. The Dirac delta, distributions, and generalized transforms. Convolutions and correlations and applications; probability distributions, sampling theory, filters, and analysis of linear systems. The discrete Fourier transform and the FFT algorithm. Multidimensional Fourier transform and use in imaging. Further applications to optics, crystallography. Emphasis is on relating the theoretical principles to solving practical engineering and science problems. Prerequisites: Math through ODEs, Fourier series at the level of 102A, and linear algebra.
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Download ClassX Mobile Available Lectures: Lecture on FFT Review session for the final Convolution and differential equation Central limit theorem More on central limit theorem Distributions More on distribution Delta function More on distributions and deltas Deltas, diffraction, and Shah Introduction to sampling Introduction to DFT DFT More on DFT. Orthogonality, discrete deltas, expressions for DFT and and IDFT. Parseval's identity. Properties of DFT DFT and linear systems LTI systems and DFT Summary of LTI systems Introduction to the high dimensional Fourier transform High dimensional Fourier Transform Getting to know your higher dimension Fourier transform Application of high dimensional Fourier transform Applications of high dimensional Fourier transform: medical imaging Applications of high dimensional Fourier transform : The Radon Transform Orthonormal basis, Differential equation Fourier transform Fourier transform of a Gaussian Notation clarification Properties of Fourier transform Convolution Comments and properties of convolution Sampling and aliasing Midterm review session

FFT [Nov 21 2011]
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Final review session [Dec 12 2011]
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Lecture 10 [Oct 17 2011]
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Lecture 11 [Oct 19 2011]
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Lecture 12 [Oct 21 2011]
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Lecture 13 [Oct 24 2011]
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Lecture 14 [Oct 26 2011]
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Lecture 15 [Oct 28 2011]
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Lecture 16 [Oct 31 2011]
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Lecture 17 [Nov 02 2011]
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Lecture 18 [Nov 07 2011]
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Lecture 20 [Nov 09 2011]
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Lecture 21 [Nov 11 2011]
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Lecture 22 [Nov 14 2011]
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Lecture 23 [Nov 16 2011]
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Lecture 24 [Nov 18 2011]
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Lecture 25 [Nov 28 2011]
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Lecture 26 [Nov 30 2011]
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Lecture 27 [Dec 02 2011]
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Lecture 28 [Dec 05 2011]
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Lecture 29 [Dec 07 2011]
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Lecture 30 [Dec 09 2011]
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Lecture 4 [Oct 03 2011]
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Lecture 5 [Oct 05 2011]
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Lecture 6 [Oct 07 2011]
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Lecture 7 Oct 10 [Oct 10 2011]
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Lecture 8 Oct 12 [Oct 12 2011]
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Lecture 9 [Oct 14 2011]
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Lecutre 18 [Nov 04 2011]
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Midterm review session [Oct 28 2011]
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