搜索结果: 1-2 共查到“地球科学总论 periodicities”相关记录2条 . 查询时间(0.093 秒)
Very Weak Signals (VWS) detected by stacking method according to different astronomical periodicities (HiCum)
Very Weak Signals (VWS) stacking method astronomical periodicities
2009/12/30
A stacking method to detect very weak signals is introduced in this paper. This method is to stack observed data in different well known periodicities according to the astronomical clock since majorit...
On periodicities in long term climatic variations near 68°N,30°E
periodicities climatic variations atmosphere
2010/1/27
It is generally believed that the low-frequency variability of climatic parameters seems to be connected to solar cycles. The principal periodicities are: 11-year (Schwabe), 22-year (Hale), 33-year (B...