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Table 3 Inputs of each P-point RFFT at the first stage

From: Canonic FFT flow graphs for real-valued even/odd symmetric inputs

  Inputs
1st P-point RFFT x[k Q],0≤kP−1
2nd P-point RFFT x[k Q+1],0≤kP−1
(m)th P-point RFFT x[k Q+m−1],0≤kP−1
(Q)th P-point RFFT x[k Q+Q−1],0≤kP−1