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0.106044675, "max_t": 0.106044675 }, "ttc_s_threshold": { "points": 0, "max_run_s": 0.0, "first_t": null }, "thw_s_threshold": { "points": 0, "max_run_s": 0.0, "first_t": null }, "thw_moving_s_threshold": { "points": 0, "max_run_s": 0.0, "first_t": null } } }, "transitions": { "driver_brake_on": [ 0.0157 ], "driver_gas_on": [ -3.4841 ], "driver_steer_pressed_on": [ 0.7163 ], "control_lat_active_off": [], "control_long_active_off": [], "cruise_off": [], "driver_flags_at_first_record": { "brake": 0.0, "gas": 0.0, "steer_pressed": 1.0 } }, "quality": { "radar_large_distance_jumps_s": [], "radar_target_loss_s": [], "video_precontext_s": 10, "source_sampling": { "vehicle": { "rows": 71, "median_step_s": 0.09990236749999992, "max_gap_s": 0.10109537000000013, "start_relative_s": -3.583946593, "end_relative_s": 3.416027026 }, "control": { "rows": 71, "median_step_s": 0.09986614349999995, "max_gap_s": 0.1018593699999999, "start_relative_s": -3.498807191, "end_relative_s": 3.500672893 }, "controller": { "rows": 71, "median_step_s": 0.09987489400000005, "max_gap_s": 0.10188457799999995, "start_relative_s": -3.499318434, "end_relative_s": 3.500214879 }, "radar": { "rows": 28, "median_step_s": 0.25008791799999974, "max_gap_s": 0.2604409460000001, "start_relative_s": -3.414382414, "end_relative_s": 3.344516178 }, "model": { "rows": 14, "median_step_s": 0.49991334, "max_gap_s": 0.501165093, "start_relative_s": -3.401668065, "end_relative_s": 3.098691948 }, "plan": { "rows": 28, "median_step_s": 0.25006635600000005, "max_gap_s": 0.2515348769999999, "start_relative_s": -3.39402604, "end_relative_s": 3.356244968 } }, "alignment": "0.05秒公共网格，向后取最近已记录值；容差为各流采样周期1.6倍，限于0.035至0.5秒；不插值。原始采样统计另算。雷达距离与相对速度汇总仅用目标有效记录。", "threshold_duration_method": "仅连续命中的CSV记录组成一段；任一不命中/缺失值或超过该窗口中位采样间隔1.6倍的时间缺口均中断。时长按末点减首点加一个中位采样间隔近似，非逐帧危险持续时间。" }, "timeline": [ { "t": -10.0, "speed_mps": null, "accel_mps2": null, "steer_deg": null, "steer_torque": null, "brake": null, "gas": null, "steer_pressed": 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