Open Access
Table 4
Summary of the GP model for each DD calibration case.
| Hyperparameter | Prior | Estimate | |||
|---|---|---|---|---|---|
| DDECAL, 1-Step | DDECAL, 2-Step | SAGECAL, 1-Step | SAGECAL, 2-Step | ||
| ηsky | +∞ | – | – | – | – |
 |
– | 355.7 | 341.5 | 553.7 | 502.9 |
| lsky (MHz) | 𝒰(10.0,100.0)(*) | 85.67 | 82.81 | 41.65 | 39.08 |
| ηmix | 3/2 | – | – | – | – |
 |
– | 43.0 | 40.9 | 104.4 | 97.8 |
| lmix (MHz) | 𝒰(0.5,20.0) | 3.342 | 3.183 | 3.697 | 3.686 |
| ηex | 5/2 | – | – | – | – |
 |
– | 6.5 | 5.5 | 7.0 | 5.9 |
| lex (MHZ) | 𝒰(0.2,0.7) | 0.262 | 0.253 | 0.267 | 0.242 |
| η21 | 1/2 | — | — | — | — |
 |
– | 8.44E-04 | 1.46E-05 | 1.53E-06 | 3.21E-07 |
| l21 (MHz) | 𝒰(0.1,1.2) | 0.806 | 0.808 | 0.808 | 0.810 |
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