ocr: Section 1 Section 2 Section 4 Section 8, etc. t(0) MF(O) Q (4) F(1) - f(2) F(2) Q07 Q f(6) Q F(3) f(1). - F(4) 001 * f(5). F(5) 1(3) Q3 8F(6) 27 - a - f(7) - F(7) etc. Figure 3: S-point FFTin Butter/ly" notation. Reading the grapb from left to right sbous bow N2-point FFIS are combined. Reading. from right to left shous bow an N-point FFT is redaced to the calculation of2-point DFTS,
