因此，OD矩阵估计与预测是必要的。
Therefore, the OD matrix estimate and the forecast are necessary.
针对所建立的误差模型，分析数据规范化算法在基础矩阵估计中的应用。
On the basis of the error model, the paper also analyzes the application of data normalization algorithm to estimating fundamental matrix.
它比优化模型所得到的OD出行矩阵估计合理、可靠，更便于实际应用。
We obtain the Bayesian estimator of OD trip matrix, which is more reasonable and reliable than the estimator obtained by OM and convenient to practical use.
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