Research Article
Semi-supervised Learning for Automatic Modulation Recognition Using Haar Time–Frequency Mask and Positional–Spatial Attention
Table 4
The recognition accuracy of HTF-PSA-SSL on public datasets RML2016.10a, RML2016.10b and RML2016.04c with 1% (88) labeled samples.
| SNR (dB) | RML2016.10a (%) | RML2016.10b (%) | RML2016.04c (%) |
| −20 | 9.18 | 10.27 | 8.91 | −18 | 9.09 | 11.05 | 8.68 | −16 | 11.18 | 14.43 | 8.87 | −14 | 14.45 | 18.78 | 9.09 | −12 | 20.00 | 23.35 | 12.10 | −10 | 27.09 | 30.23 | 17.41 | −8 | 34.91 | 40.62 | 21.11 | −6 | 53.09 | 51.27 | 36.54 | −4 | 71.27 | 71.98 | 67.41 | −2 | 81.18 | 83.28 | 79.14 | 0 | 87.64 | 87.90 | 86.05 | 2 | 89.45 | 89.58 | 89.88 | 4 | 90.45 | 91.13 | 91.23 | 6 | 92.09 | 90.02 | 90.74 | 8 | 92.45 | 90.62 | 89.63 | 10 | 93.18 | 91.87 | 91.23 | 12 | 92.09 | 91.75 | 91.73 | 14 | 92.45 | 91.72 | 88.27 | 16 | 93.18 | 92.72 | 89.38 | 18 | 92.36 | 93.25 | 91.48 |
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