Raw signal
CS328 · Sensor Data Smoothing & Filtering
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▶
⏭
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Reset dials
Filter
input signal
moving average
median
EWMA
all three
cascade
Signal
sine + edge + outliers
(a) smooth + noise
(b) edges + noise
(c) smooth + outliers
EWMA α
0.1
0.2
0.33
0.5
Speed
very slow
slow
normal
fast
instant
Window w
9