›› 2011, Vol. 30 ›› Issue (9): 1-1.

• 著者文摘 •     Next Articles

Analysis of causes and calculation for the earth nutation

  

  • Online:2011-09-25 Published:2011-09-20

Abstract: The main reasons of the earth nutation are analysed theoretically and the nutation constant is calculated.The relative difference between the theoretical calculation value and the observed one is about 2/10 000.

Key words: earth nutation, precession, nutation ellipse, nutation constant, tide force

CLC Number: 

  • O313.1