利用层次分析方法给出了样本指标的权重，进一步引入了加权相似系数和加权距离系数的计算公式。

The weights of sample index are given by analytical hierarchy process, and expressions of weighted similar coefficient and weighted distance coefficient are induced.

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对影响预瞄控制算法的主要参数(如预瞄加权系数和预瞄距离等)进行了讨论。

Meanwhile, the effects of the main control parameters in the algorithm, such as preview weighting parameters, preview time and preview distances, on system performances were investigated.

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