PhysioNet Fantasia RESP channel. Real chest/abdomen respiratory effort at 250 Hz, 3 subjects (~5.4M samples). Smooth quasiperiodic with breath-to-breath variability.
Standard analysis sees: long-range memory (persistent). The atlas finds no named structure, but the source is distinctively extreme on Bispectrum:off_diagonal_ratio (-2.9z) — beyond what the standard bank predicts for it. It sits beside Langevin Double-Well in the atlas (standard-bank rank 20) — a neighbor conventional features miss.
Bispectrum:off_diagonal_ratio | -2.9z | bank-miss 1.9σ |
Chladni:domain_ks_exponential | +2.6z | bank-miss 1.7σ |









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

/barcode/Respiration_Waveform.png)
/d_curve/Respiration_Waveform.png)








/phi_spectrum/Respiration_Waveform.png)










/default/Respiration_Waveform.png)
/default/Respiration_Waveform.png)


| Nearest neighbor | Distance | |
|---|---|---|
| Temperature Drift | 3.61 | cross-origin |
| Langevin Double-Well | 3.77 | cross-origin |
| Ocean Wind (Buoy) | 3.85 | cross-origin |
Chladni › Chladni:domain_ks_exponential | rank 2/306 | 0.7624 |
Hodge–Laplacian › Hodge–Laplacian:solenoidal_fraction | rank 302/306 | 0.2778 |
Moiré › Moiré:moire_invariance_breadth | rank 4/306 | 0.0376 |