货运量预测方法的比较

the Forecast Methods of Volume of Water Freight for Comparision

本文在对货运量预测理论和程序概述的基础上 ,介绍并比较了常用预测方法的优缺点 ,重点研究了三层BP神经网络的基本原理 ,构思了BP神经网络中长期货运量预测模型 ,并进行了预测 ,最后根据预测结果 。

This paper first introduces the advantage and disadvantage of various forecast methods of freight volume,then emphatically researches the principle of BP neural network forecast model; then adopts the model in Yangtze River freight volume forecast,and finally analyses BP neural network' advantage in freight volume forecast.