Table 1 Computation time comparison
From: DOA estimation of wideband signals based on slice-sparse representation
Band width | Snapshot number | Times (sec) | |||
|---|---|---|---|---|---|
MUSIC | CSSM | W-CMSR | MMS-OMP | ||
20% | 80 | 0.0349 | 0.0125 | 1.8870 | 0.1997 |
| Â | 320 | 0.0373 | 0.0153 | 1.9040 | 0.2019 |
| Â | 1280 | 0.0421 | 0.0217 | 3.1497 | 0.2061 |
40% | 80 | 0.0546 | 0.0126 | 1.7160 | 0.3011 |
| Â | 320 | 0.0562 | 0.0158 | 2.0090 | 0.3014 |
| Â | 1280 | 0.0668 | 0.0234 | 2.7909 | 0.3083 |
80% | 80 | 0.0855 | 0.0127 | 1.8190 | 0.4329 |
| Â | 320 | 0.0911 | 0.0168 | 2.1241 | 0.4402 |
| Â | 1280 | 0.1023 | 0.0271 | 3.0339 | 0.4547 |