Question: 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

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.

Consider the butterfly in figure. This butterfly was extracted from a signal

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