fix: DualStream Pipeline 三项修复 — StandardScaler + 部署导出 + 推理拆弹
任务1: Pipeline 插入 StandardScaler imputer → FeatureUnion → cleaner → scaler(StandardScaler) → SVR MNF(≈1e4量级)与物理指数(≈1e0量级)统一尺度后入SVR 任务2: .npz 导出 scaler_mean / scaler_scale C++端可复现 (X - mean) / scale 任务3: 推理端 train_wavelengths 缺失时直接抛异常 不再静默裸退308列导致 SimpleImputer 维度不匹配崩溃
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@ -446,8 +446,11 @@ class WaterQualityInference:
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"""
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train_wl = metadata.get('train_wavelengths', None)
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if train_wl is None or len(train_wl) == 0:
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print("[DualStream_MNF] ⚠ 模型无 train_wavelengths,fallback 原样输入")
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return spectra.values
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raise ValueError(
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"推理失败:metadata 中缺失 train_wavelengths。"
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"DualStream_MNF 必须对齐训练波段以完成光谱重采样。"
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"请使用包含 train_wavelengths 元数据的模型文件。"
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)
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# 提取纯光谱列
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spec_cols = []
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