{
  "case": 177,
  "pre2_curve_peak": {
    "t": -1.045360662,
    "curvature": 0.0004441157798282,
    "desiredCurvature": 0.0010746383341029,
    "delta": -0.0006305225542747,
    "enabled": false,
    "active": false
  },
  "bracketing_vehicle": [
    {
      "t": -1.099397506,
      "vEgo": 15.0773067474,
      "aEgo": 0.0852520913,
      "brakePressed": false,
      "gasPressed": false,
      "steeringPressed": true,
      "steeringAngleDeg": -2.0
    },
    {
      "t": -0.999590186,
      "vEgo": 15.0914268494,
      "aEgo": 0.0972243398,
      "brakePressed": false,
      "gasPressed": false,
      "steeringPressed": false,
      "steeringAngleDeg": -2.2999999523
    }
  ],
  "last_vehicle_row": {
    "t": 9.900523809,
    "vEgo": 1.3371900808856196e-10,
    "aEgo": -2.5974553619079192e-09,
    "brakePressed": true,
    "gasPressed": false,
    "steeringPressed": true,
    "steeringAngleDeg": -9.699999809265137
  },
  "pre10_min_accel": {
    "t": -7.499700477,
    "vEgo": 15.063529014587402,
    "aEgo": -0.2827637493610382,
    "brakePressed": false,
    "gasPressed": false
  },
  "pre10_max_accel": {
    "t": -5.599073099,
    "vEgo": 15.097786903381348,
    "aEgo": 0.3151447176933288,
    "brakePressed": false,
    "gasPressed": false
  },
  "post5_min_accel": {
    "t": 2.200313988,
    "vEgo": 10.804490089416504,
    "aEgo": -2.858973741531372,
    "brakePressed": true,
    "gasPressed": false
  },
  "post5_max_accel": {
    "t": 0.0,
    "vEgo": 15.05361557006836,
    "aEgo": -0.136360228061676,
    "brakePressed": true,
    "gasPressed": false
  },
  "post_full_min_accel": {
    "t": 7.500181876,
    "vEgo": 0.0240100417286157,
    "aEgo": -3.1592252254486084,
    "brakePressed": true,
    "gasPressed": false
  },
  "post_full_max_accel": {
    "t": 7.800089875,
    "vEgo": -0.0027115801349282,
    "aEgo": 0.233451247215271,
    "brakePressed": true,
    "gasPressed": false
  },
  "late_radar_source_check": {
    "source_sha256": "8beaf90ae72b52c3d8ec3210650fb4e350534f1a56a1904dc877a5b722f844ab",
    "source_range_s": [
      -9.883034284,
      9.865428256
    ],
    "late_rows": 20,
    "speed_match_backward_tolerance_s": 0.16007140400000033,
    "note": "预制radar_native.csv仅覆盖约后5秒；此处另查源radarState后5秒，配对规则沿用prepare_cases.attach，不改事实文件。TTC不依赖车速配对。",
    "valid_ratio": 1.0,
    "ttc_s": {
      "t": 5.118432581,
      "leadOne.dRel": 8.75,
      "leadOne.vRel": -3.78125,
      "leadOne.yRel": -0.0625,
      "vEgo": 3.5397586823,
      "ttc_s": 2.3140495868
    },
    "thw_moving_s": null,
    "ttc_under3_count": 6,
    "moving_thw_under08_count": 0
  }
}