Table 2 Calculated RMSE values of \(\Re e \{ S_{11}^D \}\), \(\Re e \{ S_{21}^D \}\), \(\Re e \{ S_{12}^D \}\), \(\Re e \{S_{22}^D \}\), \(\Im m\{ S_{11}^D \}\), \(\Im m\{ S_{21}^D \}\), \(\Im m\{ S_{12}^D \}\), and \(\Im m\{ S_{22}^D \}\) for the methods22,46,47,48,49 and our proposed method.
RMSE | Calibration or De-embedding Technique | |||||
|---|---|---|---|---|---|---|
values | PM | |||||
\(\Re e \{ S_{11}^D \}\) | 0.0260 | – | 0.0289 | 0.0318 | 0.0281 | 0.0271 |
\(\Re e \{ S_{21}^D \}\) | 0.0199 | 0.0215 | 0.0218 | 0.0241 | 0.0208 | 0.0206 |
\(\Re e \{ S_{12}^D \}\) | 0.0196 | 0.0219 | 0.0219 | 0.0241 | 0.0207 | 0.0202 |
\(\Re e \{ S_{22}^D \}\) | 0.0254 | – | 0.0291 | 0.0306 | 0.0277 | 0.0264 |
\(\Im m \{ S_{11}^D \}\) | 0.0265 | – | 0.0295 | 0.0324 | 0.0289 | 0.0279 |
\(\Im m \{ S_{21}^D \}\) | 0.0201 | 0.0212 | 0.0222 | 0.0217 | 0.0211 | 0.0203 |
\(\Im m \{ S_{12}^D \}\) | 0.0199 | 0.0218 | 0.0217 | 0.0244 | 0.0209 | 0.0200 |
\(\Im m \{ S_{22}^D \}\) | 0.0262 | – | 0.0282 | 0.0315 | 0.0284 | 0.0271 |
