Based on FCM algorithm, using orthogonal function to dimensionreduction22 temperature time series of meteorological stations in Liaoning province, then clusteringdata in 3 sorts, results are consistent with the regional characteristics of the actual temperature.%基于FCM算法,对辽宁省22个气象站点的气温时间序列采用正交函数对数据进行降维处理,对并分3类降维后的数据进行聚类分析,聚类结果符合区域实际气温特征情况。
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