以平均值平滑滤波法和质心法实现了对信标光斑定位，利用卡尔曼预测算法实现了具有自适应能力的递归跟踪算法。

Using smoothing filter and average-force algorithm to position beacon's facula, then use kalman prediction algorithm with the adaptive capacity to achieve the recursive tracking algorithm.

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指数平滑法是一种非统计性的预报方法，它具有计算过程简单、适应性好等优点。

Expotential smoothing method is a kind of non-statistical method. The advantage of this method lies in its simple calculating process and its wide applicability to many prediction problems.

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