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| Processing method | Hardware dispersion compensation | Numerical dispersion compensation | |||
|---|---|---|---|---|---|
| Processing time (μs) | Frame rate (fps) | Processing time (μs) | Frame rate (fps) | ||
| Linear interpolation + FFT | 6.64 | 296 | 10.9 | 179 | |
| Cubic spline interpolation + FFT | 330 | 5.9 | 429 | 4.5 | |
| NDFT | 1470 | 1.3 | 1635 | 1.2 | |
| NFFT | 11.1 | 175 | 18.6 | 95 | |
