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Table 4 Generation time intervals \(\Delta {t}\) and the numbers of frequency points \(p_{\mathrm{f}}\) in the four operation modes of the OFA

From: Onboard software of Plasma Wave Experiment aboard Arase: instrument management and signal processing of Waveform Capture/Onboard Frequency Analyzer

  OFA_500MS OFA_1S OFA_2S OFA_4S
512p FFT 1024p FFT 2048p FFT 2048p FFT
\(\Delta {t}\) (s) \(p_{\mathrm{f}}\) (pts) \(\Delta {t}\) (s) \(p_{\mathrm{f}}\) (pts) \(\Delta {t}\)(s) \(p_{\mathrm{f}}\) (pts) \(\Delta {t}\) (s) \(p_{\mathrm{f}}\) (pts)
Nominal
 OFA-SPEC 0.5 66 1 132 2 264 4 528
 OFA-MATRIX 4 8 16 32
 OFA-COMPLEX 4 8 16 32
Low-res
 OFA_SPEC 1 66 2 132 4 264 8 528
 OFA-MATRIX 8 16 32 64
 OFA-COMPLEX 8 16 32 64