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