Is there a FFT algorithm with the circular buffering?

1. What are the two types of FFT?
2. What are circular buffers used for?
3. What type of algorithm is FFT?
4. How FFT algorithm is better than DFT?

What are the two types of FFT?

These are called the radix-2 and mixed-radix cases, respectively (and other variants such as the split-radix FFT have their own names as well).

What are circular buffers used for?

A circular buffer is a utility used to transfer successive data values from a producer thread to a consumer thread, who retrieves the data in FIFO (first in first out) order.

What type of algorithm is FFT?

The Fast Fourier Transform (FFT) is one of the most important algorithms in signal processing and data analysis.

How FFT algorithm is better than DFT?

For a sample set of 1024 values, the FFT is 102.4 times faster than the discrete Fourier transform (DFT). The basis for this remarkable speed advantage is the `bit-reversal' scheme of the Cooley-Tukey algorithm. Eliminating the burden of `degeneracy' by this means is readily understood using vector graphics.