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Table 1.
Average properties of individual intermediate drift bursts (direct measurement) and groups analysed by means of 2D auto-correlation.
| Typical fibers | Fast drift bursts | Rope-like fibers | Narrow-band IDBs | ||||
|---|---|---|---|---|---|---|---|
| Fiber groups | 38 | one | one | three | one | one | two |
| Freq. drift | Negative | Positive | Negative | Positive | Negative | Negative | Positive |
 (MHz s−1) |
−8.43 ± 3.29 | 8.15 | −142.8 | 73.4 ± 31.0 | −45.3 | −5.86 | 3.71 ± 2.6 |
 (s−1) |
−(20 ± 8)×10−3 | 20 × 10−3 | −0.36 | (191 ± 84)×10−3 | −0.10 | −0.014 | 0.009 ± 0.006 |
| δt (s) | 0.30 ± 0.20 | 24 × 10−2 | 6 × 10−2 | (9 ± 2)×10−2 | 0.21 | 0.30 | 0.58 ± 0.39 |
| T (s) | 0.98 ± 0.74 | 0.60 | 0.24 | (18 ± 1)×10−2 | 0.43 | 0.80 | 0.80 |
| δf (MHz) | 2.4 ± 0.8 | 2.4 | 4.0 | 4.3 ± 1.2 | 6.0 | 2.0 | 3.0 ± 1.4 |
 (10−3) |
9.0 ± 4 | 8.2 | 13.2 | 12.7 ± 2.2 | 25.1 | 9.4 | 9.1 ± 4.8 |
| fw (MHz) | 5.5 ± 2.2 | 6.4 | 7.5 | 5.9 ± 1.4 | 6.90 | 3.18 | 3.33 ± 1.65 |
 (10−3) |
15 ± 6 | 18 | 25 | 17 ± 5 | 20 | 9 | 9 ± 5 |
| Individual fibers | 441 | 13 | 11 | 61 | 13 | 19 | 31 |
| Δttot (s) | 4.26 ± 2.61 | 3.73 ± 2.29 | 0.55 ± 0.17 | 1.04 ± 0.47 | 0.49 ± 0.11 | 2.66 ± 1.10 | 2.0 ± 0.80 |
| Δftot (MHz) | −37.9 ± 16.4 | 33.8 ± 21.3 | −44.3 ± 19.1 | 67.4 ± 14.0 | 16.8 ± 2.9 | 7.9 ± 4.3 | 8.4 ± 6.0 |
 (10−3) |
103 ± 44 | 92 ± 58 | 138 ± 66 | 198 ± 42 | 60 ± 10 | 23 ± 13 | 23 ± 16 |
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