Aiming at the shortcomings of bp model such as easy leading to local minimum value and slow convergence velocity, some improved methods are presented such as non-linear normalization of original datax additional momentum and automatically adaptive learning rate 郑州大学硕士学位论文中/英文摘要(5)选取河南省淮阳市为研究对象,建立了该地区的需水量预测模型和水质一水量联合优化配置模型。