Difference between revisions of "SignalMetricsFormula" - Rhea

Revision as of 12:41, 19 April 2013

Signal Metrics Definitions and Formulas
Metrics for Continuous-time Signals
(info) CT signal energy	$E_\infty=\int_{-\infty}^\infty \| x(t) \|^2 dt$
(info) CT signal average power	$P_\infty = \lim_{T \to \infty} \frac{1}{2T} \int_{-T}^{T} \left \| x (t) \right \|^2 \, dt$
Metrics for Discrete-time Signals
DT signal energy	$E_\infty=\sum_{n=-\infty}^\infty \| x[n] \|^2$
DT signal average power	$P_\infty = \lim_{N \to \infty} \frac{1}{2N+1} \sum_{n=-N}^{N} \left \| x [n] \right \|^2 \,$

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