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Beschreibung digitaler Signale und Systeme im Frequenzbereich

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Zusammenfassung

Nach Kap.2.2, Gl.(2.2) läßt sich die ideale Abtastung eines analogen (zeitkontinuierlichen) Signals x(t) folgendermaßen darstellen:

$${X_a}\left( t \right) = X\left( t \right)\mathop {\mathop \Sigma \limits^\infty }\limits_{n = 0} {\mkern 1mu} \delta \left( {t - nT} \right) = \mathop {\mathop \Sigma \limits^\infty }\limits_{n = 0} {\mkern 1mu} X\left( t \right)\delta \left( {t - nT} \right)$$

Hierbei wird angenommen, daß x(t) erst bei t = 0 beginnt (kausal).

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© 1990 B. G. Teubner Stuttgart

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Götz, H. (1990). Beschreibung digitaler Signale und Systeme im Frequenzbereich. In: Einführung in die digitale Signalverarbeitung. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-91129-2_3

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  • DOI: https://doi.org/10.1007/978-3-322-91129-2_3

  • Publisher Name: Vieweg+Teubner Verlag

  • Print ISBN: 978-3-519-00117-1

  • Online ISBN: 978-3-322-91129-2

  • eBook Packages: Springer Book Archive

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