Uniform Sampling and Reconstruction

Topics:

• Definition of Sampling and Reconstruction
• Real-world sensors vs. discrete ones
• Sampling/Reconstruction errors - jaggies, moire, flickering, sparkling, strobing
• Prealiasing vs. postaliasing
• Sampling and reconstruction in frequency space
• The sampling theorem and the Nyquist limit
• What kinds of signals are bandlimited?
• Errors from undersampling
• Errors from imperfect reconstruction filters
• Mitchell / Netravali cubic filters
• Antialiasing by prefiltering