Research Article
ANN Synthesis Model of Single-Feed Corner-Truncated Circularly Polarized Microstrip Antenna with an Air Gap for Wideband Applications
Table 1
Comparison of MLP-based synthesis model trained with different training algorithms.
| Training algorithm | BPM | RBP | CGF | SCG | BFGS | LM | Training time (seconds) | 77 | 80 | 193 | 158 | 292 | 912 |
| MRE (%) | | Training | 321 | 79.7 | 95.6 | 92.4 | 14.1 | 1.56 | Test | 214 | 49.4 | 67.8 | 72.6 | 34.6 | 1.55 | | Training | 163 | 279 | 163 | 70.2 | 41.2 | 2.05 | Test | 185 | 102 | 46.3 | 78.8 | 42.3 | 2.19 |
| ARE () | | Training | 155 | 23.2 | 19.0 | 12.3 | 2.79 | 0.206 | Test | 156 | 23.6 | 18.3 | 12.3 | 2.82 | 0.224 | | Training | 123 | 27.2 | 22.6 | 16.5 | 4.49 | 0.367 | Test | 121 | 26.7 | 21.8 | 16.1 | 4.60 | 0.403 |
| MSE (mm) | | Training | 285 | 7.96 | 4.67 | 1.76 | | | Test | 294 | 8.59 | 4.78 | 1.88 | | | | Training | 5.97 | | | | | | Test | 5.61 | | | | | |
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