On the correlation between changes in LOD and earth-moon distance with VLBI observations
- Resource Type
- Conference
- Authors
- Wei, Erhu; Chang, Liu
- Source
- 2011 International Conference on Multimedia Technology Multimedia Technology (ICMT), 2011 International Conference on. :4994-4997 Jul, 2011
- Subject
- Signal Processing and Analysis
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Computing and Processing
Earth
Correlation
Moon
Spectral analysis
Atmospheric modeling
Wavelet analysis
Delay
VLBI
Changes in LOD
JPL
Distance of the Moon and Earth
Cross-correlation
- Language
In this paper, Changes in length of day (ΔLOD) are obtained through the processing of the 2009.1–2010.11 VLBI data; the time series of distance of the Moon and Earth obtained from Jet Propulsion Laboratory (JPL) ephemeris are calculated. Trend of Δ LOD and the Earth-to-Moon distance are removed, and the periods of them are calculated with spectral analysis. The correction between the Earth-to-Moon distance and the periodical components of ΔLOD extracted by wavelet analysis is analyzed.