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Engineering · L4 · From time-domain signal to filtered digital output

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Pipeline from a continuous signal through sampling, convolution/filtering, and frequency-domain interpretation.

by @openstemUpdated Engineering
Continuous signal x(t)Anti-aliasinglow-pass filterSample at f_s ≥ 2f_max(Nyquist)Discrete signal x[n]Convolve with h[n]y[n] = Σ x[k] h[n−k]Filtered output y[n]Transform to frequency domainX(jω)Multiply: Y(jω) = X(jω)H(jω)

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