Consider the butterfly in figure. This butterfly was extracted from a signal flow graph implementing an FFT

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Consider the butterfly in figure. This butterfly was extracted from a signal flow graph implementing an FFT algorithm. Choose the most accurate statement from the following list:

1. The butterfly was extracted from a decimation-in-time FFT algorithm.

2. The butterfly was extracted from a decimation-in-frequency FFT algorithm.

3. It is not possible to say from the figure which kind of FFT algorithm the butterfly cam from.

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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Question Posted: May 26, 2011 02:57 AM

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Consider the butterfly in figure. This butterfly was extracted from a signal flow graph implementing an FFT

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Decimation in time The figure is ...View the full answer

Discrete Time Signal Processing

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