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浮动车系统地图的匹配精度

, PP. 86-90

Keywords: 智能交通,地图匹配精度,多元回归分析,浮动车系统,路网特征

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Abstract:

从地图匹配精度指标出发,针对浮动车系统的配置计划中的浮动车系统信息采集周期这一重要参数进行研究。分析浮动车系统数据特点,说明浮动车系统采集周期对浮动车服务质量的重要性;分析城市路网条件下精度随不同采集周期的变化情况,建立基于城市路网特征描述变量和采集周期等特征向量的地图匹配精度模型。模型由于包含城市路网特征描述向量,具有较高的移植性,应用此模型可以得到期望精度下采集周期的预测值,为浮动车系统的配置计划提供参考依据。

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