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Week 10

• FS coefficients
• Negative freq.
• Transfer function
• Filtering
• Filtering sounds
• Filtering images
• Cascade
• Freq response
• Commutativity
• Feedback
• Freq response

Instructor Guide for Week 10

The use of complex exponentials is further explored, and phasors and negative frequencies are discussed. The concept of filtering is introduced, with the terms lowpass, bandpass, and highpass, with applications to audio and images. Composition of LTI systems is introduced, with a light treatment of feedback. To student pages.