In this paper, applying Vondrak band filter to both series of (1.o.d.) and sunspot relative number (R), we obtain variations of amplitude of 11 yr term during 1800-1985. The results show that solar cyclic signal in (1.o.d.) series is weak and unstable. The amplitude of 11 yr term in R series has lon
β¦ LIBER β¦
Earth's Rotation and Solar Activity
β Scribed by A. Mazzarella; A. Palumbo
- Book ID
- 108741342
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 280 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0956-540X
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