{ "report_schema_version": "3.0.0", "analysis_version": "gr-edge-synthetic-3.0.0", "report_id": "GRV3-SIM-08", "scenario": { "id": "SIM-08", "title": "钢结构导致的背景场缓慢漂移", "subtitle": "基线可随时间改变", "page_path": "/gaterestart/simulations/steel-background/", "fictional_site": "合成地下停车场上坡出口道闸，非真实停车场或客户" }, "synthetic": true, "synthetic_label": "品牌叙事实验 / Synthetic Scenario / 非实测", "unit": "a.u.", "time_unit": "s", "provenance": { "csv_path": "data/v3/synthetic_events_v3.csv", "csv_sha256": "03d47c16c8384da444303ac0ab82180cc7b6d504643276133a8fbfd86ec6abd9", "cases_path": "data/v3/cases_v3.json", "cases_sha256": "394ce80352b0ee6811464fed9ce6931a846542a4eb643987bc1852527f446bb6", "manifest_path": "data/v3/data-manifest.json", "manifest_sha256": "636f416500e01c0b17db9b6fbf798a583ddd9623a58b7d8a5a98b35309d5e409", "generator_path": "simulation_v3/generate_v3.py", "generator_version": "3.0.0", "data_version": "grv3-synthetic-20261114-r1", "case_seed": 108, "hash_verified_on_load": true }, "selection": { "start_s": -1.5, "end_s": 4.5, "bounds_inclusive": true, "source_samples_per_case": 601, "selected_samples": 601 }, "assumptions_from_synthetic_generator": { "source_types_injected": [ "target_restart", "background_drift" ], "target_restart_injected": true, "injected_component_names": [ "steel_structure_drift", "restart_primary" ], "timebase_status": "NOMINAL", "gate_marker_s": 0, "simulated_gate_clock_late_by_s": null, "reference_loss_window_s": null, "clip_limit_au": {}, "source_attribution_is_generator_assumption_not_waveform_inference": true }, "features_computed_from_csv": { "calculation_scope": "csv_numeric_and_sample_status_only; no injected source labels used", "baseline_window_s": [ -1.5, -0.25 ], "tail_drift_compare_windows_s": [ [ -1.5, -0.7 ], [ 3.5, 4.5 ] ], "coverage": { "bx": { "total": 601, "valid": 601, "saturated": 0, "lost": 0, "valid_fraction": 1 }, "by": { "total": 601, "valid": 601, "saturated": 0, "lost": 0, "valid_fraction": 1 }, "bz": { "total": 601, "valid": 601, "saturated": 0, "lost": 0, "valid_fraction": 1 }, "reference": { "total": 601, "valid": 601, "saturated": 0, "lost": 0, "valid_fraction": 1 } }, "baseline_by_channel_au": { "bx": -0.069699, "by": -0.077183, "bz": 0.070782, "reference": -0.076812 }, "peak_by_channel": { "bx": { "absolute_deviation_au": 0.565445, "absolute_deviation_time_s": 4.5, "signed_deviation_au": 0.565445, "maximum_au": 0.495746, "maximum_time_s": 4.5, "minimum_au": -0.145273, "minimum_time_s": -1.44 }, "by": { "absolute_deviation_au": 0.439843, "absolute_deviation_time_s": 4.39, "signed_deviation_au": 0.439843, "maximum_au": 0.36266, "maximum_time_s": 4.39, "minimum_au": -0.136601, "minimum_time_s": -1.47 }, "bz": { "absolute_deviation_au": 0.40129, "absolute_deviation_time_s": 4.49, "signed_deviation_au": -0.40129, "maximum_au": 0.125314, "maximum_time_s": -1.44, "minimum_au": -0.330508, "minimum_time_s": 4.49 }, "reference": { "absolute_deviation_au": 0.485117, "absolute_deviation_time_s": 4.46, "signed_deviation_au": 0.485117, "maximum_au": 0.408305, "maximum_time_s": 4.46, "minimum_au": -0.142282, "minimum_time_s": -1.48 } }, "max_abs_adjacent_slope_au_per_s": { "bx": 3.7413, "by": 3.261, "bz": 3.1699, "reference": 2.3577 }, "end_minus_start_median_au": { "bx": 0.526489, "by": 0.41358, "bz": -0.376903, "reference": 0.453175 }, "reference_similarity": { "method": "Pearson(Bx,reference) on shared valid samples; similarity is not identity", "comparison_window_s": [ -0.1, 0.46 ], "valid_pairs": 57, "pearson_r": 0.838111, "reference_peak_abs_deviation_au": 0.106138 }, "bx_candidate_peaks": { "method": "9-point moving mean; positive local maxima >=0.12 a.u.; >=0.24 s apart; 0.10..2.60 s", "threshold_au": 0.12, "peaks": [ { "time_s": 0.66, "height_above_baseline_au": 0.409386 }, { "time_s": 1.1, "height_above_baseline_au": 0.213721 }, { "time_s": 1.37, "height_above_baseline_au": 0.234924 }, { "time_s": 1.62, "height_above_baseline_au": 0.256435 }, { "time_s": 1.94, "height_above_baseline_au": 0.28531 }, { "time_s": 2.23, "height_above_baseline_au": 0.31628 }, { "time_s": 2.58, "height_above_baseline_au": 0.344443 } ], "first_two_gap_s": 0.44 }, "reference_difference": { "method": "Bx - 1.0*reference only at simultaneously VALID samples; uncalibrated illustrative difference", "coefficient": 1, "valid_pairs": 601, "baseline_au": 0.005861, "maximum_abs_deviation_au": 0.290575, "time_of_max_s": 0.65 } }, "decision": { "status": "ABSTAIN", "label": "BASELINE_DRIFT", "label_zh": "基线显著漂移，弃判", "reasons": [ { "basis": "computed_feature", "note": "首尾窗口中位数位移超过演示阈值0.25 a.u.", "detail": { "bx_au": 0.526489, "reference_au": 0.453175 } } ], "logic_version": "gr-edge-synthetic-3.0.0", "is_trained_diagnostic_model": false, "real_vehicle_health": null, "diagnostic_confidence": null, "quality_state": "ABSTAIN", "reasoning_is_synthetic_rule_based": true }, "narrative": { "context": "设定钢结构及设备周期影响导致目标与参考共同出现慢漂移。", "result": "基线显著漂移，弃判", "lesson": "明显基线不稳定时不输出目标类别。", "evidence_note": "保留数值与质量状态，拒绝生成车辆归因结论" }, "cannot_infer": [ "真实车辆是否重启、车型或车辆身份", "起动机、电池、电路、发动机故障、健康程度或维修建议", "真实OPM探头量程、磁场绝对强度、测量误差或实际停车场抗干扰能力", "真实场源归属；来源命名来自预置的虚构情境", "真实世界的准确率、召回率、置信概率或工程部署效果" ] }