黄河景电灌区土壤盐渍化反演的多模型对比

蒋小芳, 徐青霞, 段翰晨, 廖杰, 郭平林, 黄翠华, 薛娴

Multi-model comparison on soil salinization inversion in Jingdian irrigation area of the Yellow River

Xiaofang Jiang, Qingxia Xu, Hanchen Duan, Jie Liao, Pinglin Guo, Cuihua Huang, Xian Xue

表3 基于不同信噪比数据源的建模结果

Table 3 Modeling results of data source with different signal-to-noise ratio

数据 类型 DNN DRF GBM RMSE R2 RMSE R2 RMSE R2 SNR-5 dB 4.87 0.51 5.88 0.24 5.61 0.31 SNR-10 dB 4.60 0.54 4.94 0.42 5.12 0.39 SNR-20 dB 2.30 0.75 1.82 0.81 2.04 0.75 SNR-30 dB 2.86 0.71 2.76 0.69 3.19 0.61 SNR-40 dB 3.62 0.61 2.99 0.62 2.96 0.66 SNR-50 dB 3.69 0.50 3.75 0.48 3.37 0.60 均值 3.66 0.60 3.69 0.54 3.72 0.55