Accession Number : AD0644061

Title :   ON PERIODICITIES OF SOLAR ACTIVITY,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Biao,Chen ; Chun-lin,Yin

Report Date : 28 SEP 1966

Pagination or Media Count : 15

Abstract : The smoothed monthly mean relative sunspot numbers from 1750 to 1960 inclusive were used in this paper to derive their periodicities. Based on the two periods obtained, an approximation expression for the relative numbers was found.

Descriptors :   (*SUNSPOTS, NUMERICAL ANALYSIS), SOLAR DISTURBANCES, SOLAR FLARES, PERIODIC VARIATIONS, FOURIER ANALYSIS, LEAST SQUARES METHOD, SOLAR ATMOSPHERE, CHROMOSPHERE, SOLAR CORONA, GEOMETRIC FORMS

Subject Categories : Astrophysics

Distribution Statement : APPROVED FOR PUBLIC RELEASE