Research Article
An Optima Combination Method of Three-Frequency Real-Time Cycle Slip Detection for Non-Normal Ionospheric Variation Data
Table 2
Detection results of artificial cycle slips combinations.
| | True epoch | Sampling rate (s) | Estimated epoch | Detection values | Comparison result class | | Without | With |
| | 60 | 1 | 60 | 0.999 (G09), 1.008 (G27) | 1.000 (G09), 1.001 (G27) | Consistent | | 12 | 5 | 12 | 1.072 (G09), 1.025 (G27) | 1.149 (G09), 0.989 (G27) | Consistent | | 6 | 15 | 6 | 1.166 (G09), 1.258 (G27) | 1.011 (G09), 0.998 (G27) | Consistent | | 4 | 20 | 4 | 1.180 (G09), 1.322 (G27) | 0.998 (G09), 0.996 (G27) | Consistent | | 3 | 25 | 3 | −0.722 (G09), −0.476 (G27) | −0.982 (G09), 1.030 (G27) | Consistent | | 4 | 25 | 4 | −0.476 (G09) | −0.982 (G09) | Missing | | ✗ | 25 | 5 | 0.533 (G27) | 0.002 (G27) | Misjudgment | | ✗ | 25 | 6 | 0.549 (G27) | 0.006 (G27) | Misjudgment | | 3 | 30 | 3 | 1.327 (G09), 1.568 (G27) | 1.012 (G09), 0.976 (G27) | Consistent | | 4 | 30 | 4 | −0.326 (G27) | −1.001 (G27) | Missing | | ✗ | 30 | 5 | 0.544 (G09), 0.613 (G27) | −0.000 (G09), 0.001 (G27) | Misjudgment | | ✗ | 30 | 16 | 0.554 (G09) | 0.019 (G09) | Misjudgment | | ✗ | 30 | 31 | 0.563 (G09) | 0.014 (G09) | Misjudgment |
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