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digital-signal-processing

Bartlett and Welch averaging

taught

Averaging several shorter segments' own periodograms trades frequency resolution for a genuine reduction in estimator variance.

Taught in

Bartlett and Welch averaging
Digital Signal Processing

Requires

periodogram-as-psd-estimator required

Required by

The Wiener filter and the orthogonality principle required

Local knowledge map

Local knowledge map

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.