On Determining the Rise, Size, and Duration Classes of a Sunspot CycleNational Aeronautics and Space Administration, Marshall Space Flight Center, 1996 - Solar cycle - 11 pages |
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... smoothed sunspot number for time t , denoted R ( t ) , with the mean curve ( cycles 1 to 21 ) , denoted < R ( t ) > . 10 7 . Comparison of smoothed sunspot number values for cycle 22 with the mean curve ( cycles 1 to 21 ) ...
... smoothed sunspot number for time t , denoted R ( t ) , with the mean curve ( cycles 1 to 21 ) , denoted < R ( t ) > . 10 7 . Comparison of smoothed sunspot number values for cycle 22 with the mean curve ( cycles 1 to 21 ) ...
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... SUNSPOT CYCLE I. INTRODUCTION About 60 years ago , Waldmeier1 showed that ... smoothed sunspot number prior to the rise to maximum ) , which is expected ... smoothed sunspot number ) , ascent duration ASC ( in months ) , and cycle ...
... SUNSPOT CYCLE I. INTRODUCTION About 60 years ago , Waldmeier1 showed that ... smoothed sunspot number prior to the rise to maximum ) , which is expected ... smoothed sunspot number ) , ascent duration ASC ( in months ) , and cycle ...
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... number of fast- and slow - rising cycles that had a smoothed sunspot number for elapsed time t from cycle onset either above ( denoted a ) or below ( denoted b ) the mean curve ( based on an epoch analysis approach , using minimum ...
... number of fast- and slow - rising cycles that had a smoothed sunspot number for elapsed time t from cycle onset either above ( denoted a ) or below ( denoted b ) the mean curve ( based on an epoch analysis approach , using minimum ...
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... sun- spot cycle , including the interval encompassing the maximum phase and the several year descending por- tion ... smoothed sunspot number to the mean curve : A fast - rising cycle usually has a smoothed sun- spot number greater ...
... sun- spot cycle , including the interval encompassing the maximum phase and the several year descending por- tion ... smoothed sunspot number to the mean curve : A fast - rising cycle usually has a smoothed sun- spot number greater ...
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... Sunspot Cycle Number SCN Figure 1. The variation of maximum amplitude ( RM ) , ascent duration ( ASC ) , and period ( PER ) for cycles 1 to 21. RM is expressed in smoothed sunspot number . ASC and PER are expressed in months . The median ...
... Sunspot Cycle Number SCN Figure 1. The variation of maximum amplitude ( RM ) , ascent duration ( ASC ) , and period ( PER ) for cycles 1 to 21. RM is expressed in smoothed sunspot number . ASC and PER are expressed in months . The median ...
Common terms and phrases
5-percent level amplitude cycles amplitude Rm occurrence ASC-PER ASC-SCN ascent duration ASC behavior of cycle chi-square statistic chi-square test statistic Comparison of smoothed cycle 23 turns cycle numberedness cycles fit David H denoted R(t Determining the Rise Duration Classes early behavior fast or slow fast riser fast-rising cycle Fisher's exact test function of elapsed Geophys Hathaway Histogram independence between ASC involving two variables large amplitude large-amplitude cycle long period long-period cycle marginally significant Marshall Space Flight maximum amplitude RM mean curve cycles median value mutual independence involving NASA null hypothesis onset for cycle original distribution percent period classes ratio Reichmann related to ascent RM and ASC SECURITY CLASSIFICATION Short Long short-period cycle shorter than average shown in figure slow riser small amplitude small-amplitude cycles smoothed sunspot number Space Flight Center standard deviation units statistical significance Testing for mutual tion values for cycle variation of maximum Waldmeier effect Wilson