In order to provide foundation for making scientific irrigation schedule and heighten the water use efficiency,the advantage of BP network and wavelet analysis is integrated to establish a wavelet BP network model for predicting water requirement of rice.

• 结合BP网络和小波分析的优势,建立一种水稻需水量预测的小波BP网络模型,旨在准确预测水稻需水量,为制定合理的灌溉制度与提高水分利用效率提供重要依据。