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HomeMIT 6.003 Signals and Systems, Fall 2011Lecture 14: Fourier Representations
Lecture 14: Fourier Representations
50:11
Instructor: Dennis Freeman
Description: In the next half of the course, periodic functions are represented as sums of harmonic functions, via Fourier decomposition. Linear time-invariant systems amplify and phase-shift these inputs to produce filtered output, an important new concept.