{
  "perturbation": {
    "subcarrier_indices": [
      30,
      41,
      52
    ],
    "amplitude_gain": 0.85,
    "comment": "simulates a new reflective surface that attenuates these frequencies"
  },
  "n_before_windows": 538,
  "n_after_windows": 539,
  "spectra": {
    "before": [
      2220.65673828125,
      1856.8695068359375,
      1563.7314453125,
      1303.56298828125,
      1057.757080078125,
      770.67822265625,
      757.5601196289062,
      689.5866088867188,
      595.6748046875,
      556.3777465820312
    ],
    "after_raw_control": [
      2182.5712890625,
      1837.5084228515625,
      1647.6357421875,
      1315.103759765625,
      1053.489013671875,
      794.1417236328125,
      737.1859130859375,
      704.1968994140625,
      571.363037109375,
      535.6047973632812
    ],
    "after_perturbed": [
      2172.6552734375,
      1824.164794921875,
      1615.7850341796875,
      1304.227783203125,
      1040.461181640625,
      791.2919921875,
      736.2902221679688,
      691.3584594726562,
      568.5400390625,
      530.7666625976562
    ]
  },
  "distances": {
    "before_to_after_raw": 0.0003509521484375,
    "before_to_after_perturbed": 0.00024056434631347656,
    "signal_over_natural_drift": 0.6854619565217391
  },
  "verdict": "WEAK: structural perturbation gets lost in temporal drift"
}