| 降水中与pH值有关的离子优选和pH值的PPR预测 |
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| 引用本文： | 李祚泳,彭荔红. 降水中与pH值有关的离子优选和pH值的PPR预测[J]. 中国环境监测, 1999, 0(1) |
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| 作者姓名： | 李祚泳 彭荔红 |
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| 作者单位： | 成都气象学院(李祚泳)，厦门大学环境科学研究中心(彭荔红) |
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| 摘 要： | 应用投影寻踪回归（ＰＰＲ）分析技术的ＳＭＡＲＴ算法得到因子的权重序列，可实现对降水中与酸性ｐＨ值有关的离子的优选。实例分析结果表明，用优选出的离子作为特征因子，建立ｐＨ值的投影寻踪回归预测模型，具有较高的预测精度和较好的稳定性
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| 关 键 词： | 降水酸化 pH值 离子优选 投影寻踪 投影寻踪回归 |
Optimization of Precipitation Ion Related pH and the Prediction of pH Values by Projection Pursuit Regression |
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| Li Zuoyong,et al. Optimization of Precipitation Ion Related pH and the Prediction of pH Values by Projection Pursuit Regression[J]. Environmental Monitoring in China, 1999, 0(1) |
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| Authors: | Li Zuoyong et al |
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| Abstract: | The weight series of factors is derived to optimize ions related the precipitation acidification pH by using the SMART algorithm of projection pursuit regression technique.Analysis of examples show that the pH prediction model found by projection pursuit based on optimal ion factors is characterised by its good predictive precision and steady. |
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| Keywords: | Precipitation acidification pH values Ion optimization Projection pursuit Projection pursuit regression |
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