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本文分析了滑动平均的数据处理方法对周期分析结果产生的影响。提出了过程变量同号积分的数据处理方法,并对亚洲西风指数序列进行了试验分析。分析结果表明,周期的长短与振幅的大小有密切关系,亚洲逐日西风指数的周期振荡具有明显的季节特征。
This paper analyzes the effect of the data-processing method of sliding averaging on the results of periodic analysis. The data processing method of the same number of process variables is proposed, and the analysis of the Asian westerly index sequence is carried out. The analysis results show that the length of the cycle is closely related to the magnitude of the amplitude, and the periodic oscillation of the daily westerly index in Asia has obvious seasonal characteristics.