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中文摘要: 采用SSA方法分析我国东南地区地面气温场，发现明显存在周期为35─40天的季节内低频振荡。计算还表明，SSA不仅能有效识别振荡分量，同样也是一种很好的时间滤波方法。
中文关键词: 奇异谱分析，低频振荡，地面气温
Abstract:The Singular Spectrum Analysis(SSA) method is applied to the surface temperature field of southern China,in which a major low-frequency oscillation with period of 35 — 40 days is found. Calculation also identifies that SSA could not only recognize the oscillation component, but also an adaptive time filter.
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引用文本：
董佩明,刘健文,董婕,1997.用奇异谱分析诊断地面气温场低频振荡周期[J].气象,23(11):7-10.
,1997.Diagnosis of Low-Frequency Oscillation Period of the Surface Temperature Field in the Southeast China[J].Meteor Mon,23(11):7-10.
董佩明,刘健文,董婕,1997.用奇异谱分析诊断地面气温场低频振荡周期[J].气象,23(11):7-10.
,1997.Diagnosis of Low-Frequency Oscillation Period of the Surface Temperature Field in the Southeast China[J].Meteor Mon,23(11):7-10.