LIGO H1 strain, 4096 Hz, 32s around GW150914 --- ASD-whitened + 30-400 Hz bandpassed. Chirp (~0.2s) of first-detected binary-black-hole merger embedded in stationary detector noise. Distinct from raw 'LIGO Hanford' (dominated by 1-10 Hz seismic). ~12% trial-window hit rate on the chirp (public domain, GWOSC)
Standard analysis sees: anti-persistent; red spectrum (low-frequency / 1-over-f power); high-dimensional / space-filling. The atlas finds no named structure, but the source is distinctively extreme on AutoRegressive:ar_coef_4 (+3.4z) — beyond what the standard bank predicts for it.
AutoRegressive:ar_coef_4 | +3.4z | bank-miss 3.4σ |
AutoRegressive:ar_coef_9 | +2.8z | bank-miss 1.1σ |
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| Nearest neighbor | Distance | |
|---|---|---|
| Bearing Outer | 3.16 | cross-domain |
| Bearing Normal | 3.40 | cross-domain |
| EEG Seizure | 3.45 | cross-domain |
AutoRegressive › AutoRegressive:ar_coef_1 | rank 1/298 | 3.1925 |
AutoRegressive › AutoRegressive:ar_coef_2 | rank 296/298 | -2.7347 |
H4 600-Cell › H4 600-Cell:edge_walk_fraction | rank 5/298 | 0.6059 |
Spectral Analysis › Spectral Analysis:spectral_slope | rank 298/298 | -3.9680 |