CWRU bearing vibration, normal baseline. Drive-end accelerometer at 48 kHz, ~1797 RPM, healthy ball bearing.
Standard analysis sees: red spectrum (low-frequency / 1-over-f power). The atlas finds no named structure, but the source is distinctively extreme on Bispectrum:off_diagonal_ratio (-3.0z) — beyond what the standard bank predicts for it. It sits beside Ocean Swell in the atlas (standard-bank rank 25) — a neighbor conventional features miss.
Bispectrum:off_diagonal_ratio | -3.0z | bank-miss 1.4σ |
Septagonal (Danzer):z_conjugate | +2.2z | bank-miss 1.2σ |
Predictability:entropy_decay_rate | +2.1z | bank-miss 1.9σ |









_(centered)/signed_log_z/Bearing_Normal.png)
_(centered)/xy_path/Bearing_Normal.png)

/barcode/Bearing_Normal.png)
/d_curve/Bearing_Normal.png)








/phi_spectrum/Bearing_Normal.png)










/default/Bearing_Normal.png)
/default/Bearing_Normal.png)


| Nearest neighbor | Distance | |
|---|---|---|
| ARMA(2,1) | 2.96 | cross-origin |
| Ocean Swell | 3.10 | cross-origin |
| LIGO H1 Whitened (GW150914) | 3.34 | cross-origin |
Bispectrum › Bispectrum:off_diagonal_ratio | rank 304/307 | 0.1931 |