digital-signal-processing
Decimation and the anti-alias filter it requires
taught
Downsampling by M stretches a signal's own spectrum by M and wraps it every 2*pi -- content past pi/M folds onto content that survives unless a lowpass filter removes it first.
Taught in
-
Decimation, downsampling, and anti-aliasing
Digital Signal Processing
Requires
- karhunen-loeve-transform required
Required by
Local knowledge map
Local knowledge map
Click to expand
Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.