Dynamic OD flow estimation 动态OD反推
od traffic flow model od交通流模型
OD Car Flow OD车流
od traffic flow 交通od流
passenger flow OD 客流OD
Regional OD traffic flow 区域OD流量
The procedures to divide bi-directional flows into two single directional flows are discussed. The formulae for OD flow calculation are derived.
并描述了将双向交通流分解为单向交通流进行推算的过程，给出了通道OD递推公式和相应条件。
On the basis of the research of domestic and international OD data processing technique and steps, this paper further founds the comparatively consummate system of OD flow fitting.
本文在对国内外OD数据处理方法与步骤的研究基础上，进一步构建了较完善的OD流拟合体系。
The four stage method and a double gravity model were used to forecast the OD(origin-destination) distribution of air traffic flow in the whole airspace of China.
基于四阶段法，采用双重力模型，预测全国空域的交通流量OD分布。
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