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digital-signal-processing

Why a transform beyond the DTFT is needed

taught

The DTFT's convergence failure for non-absolutely-summable sequences, and the extra degree of freedom that fixes it.

Taught in

The z-transform: why a transform beyond the DTFT is needed
Digital Signal Processing

Requires

dtft-definition required

Required by

The z-transform: definition, region of convergence, and common pairs 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.