由matlab神经网络工具箱提供的函数，利用BP神经网络及RBF神经网络分别建立汽油样品近红外光谱及其辛烷值的数学模型，并对模型的性能评价。-Provided by the matlab neural network toolbox functions, the use of BP neural network and RBF neural networks were established near infrared spectroscopy and gasoline octane sample mathematical model, and model performance evaluation.