由于影响交通流量的因素众多，这就给交通流量预测，尤其是短时的交通流量预测带来了困难。
There are many factors that can influence the traffic flow, all of these results in the difficulties of real-time traffic flow forecasting.
本文通过实地调查获取的交通流量数据，分别采用移动平均法、指数平滑法、AR模型法三种交通流预测方法进行短时交通流量预测。
Through the data obtained by fieldwork, the paper forecasts the short-term traffic by three methods: moving-average method, index-smoothing method, AR model method.
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