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| 基于BP神经网络的土壤贮水量预报模型研究 | |
| 引用本文： | 武文红,杜贞栋,刘现伟,黄静,刘兵.基于BP神经网络的土壤贮水量预报模型研究[J].安徽农业科学,2010,38(15):8211-8212,8224. |
| 作者姓名： | 武文红 杜贞栋 刘现伟 黄静 刘兵 |
| 作者单位： | 1. 山东农业大学水利土木工程学院,山东泰安,271018 2. 山东省水利科学研究院,山东济南,250013 3. 山东理工大学轻工与农业工程学院,山东淄博,255000 |
| 基金项目： | 国家高技术研究发展计划(863)项目"山东半湿润区现代节水农业技术研究与集成" |
| 摘 要： | 目的]为实现作物的实时灌溉提供科学依据。方法]利用实测气象资料、桓台县节水灌溉试验站2008～2009冬小麦试验资料等建立BP神经网络预报模型,应用Matlab神经网络工具箱,采用Trainlm算法进行模型训练,对试验田的土壤贮水量进行预测。结果]基于BP神经网络的土壤贮水量预报模型的泛化能力较强;在冬小麦日耗水量较大的拔节、扬花、灌浆3个时期,该模型的预报精度较高,稳定性较好。结论]基于BP神经网络的土壤贮水量预报模型在冬小麦耗水较大时期的模拟值具有较高的精度。 |
| 关 键 词： | 冬小麦 气象资料 土壤贮水量 BP神经网络 预测 |
Based on BP Neural Network Forecasting Model of Soil Water Storage |
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| WU Wen-hong et al.Based on BP Neural Network Forecasting Model of Soil Water Storage[J].Journal of Anhui Agricultural Sciences,2010,38(15):8211-8212,8224. | |
| Authors: | WU Wen-hong |
| Institution: | WU Wen-hong et al(Water Conservancy and Civil Engineering College,Shandong Agricultural University,Tai'an,Shandong 271018) |
| Abstract: | Objective] The study aimed to provide the scientific basis for realizing the real-time irrigation of crops.Method]The BP neural network forecasting model was established by the measured meteorological data,2008-2009 winter wheat test data of water-saving irrigation Huantai County Experiment Station.Simulated training was conducted by applying neural network toolbox Mat lab and rainlm,at the same time soil water storage was predicted.Result]The results showed that the BP neural network forecasting model h... |
| Keywords: | Winter wheat Meteorological data Soil water storage Back-propagation neural network Forecast |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |