FFT accelerator

An FFT operation is performed by dividing n time-domain input points into a plurality of groups of m points, performing a plurality of constant-geometry butterfly operations on each of the groups of m points, and finally performing at least one in-place butterfly operation on the group of n points.

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Bibliographische Detailangaben
Hauptverfasser: WU JIANG, YANG NING, LERNER BORIS, MILLER DAVID, PAN GUOLIN, COX STEVEN L
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An FFT operation is performed by dividing n time-domain input points into a plurality of groups of m points, performing a plurality of constant-geometry butterfly operations on each of the groups of m points, and finally performing at least one in-place butterfly operation on the group of n points.