Testing Gravitational Waves with Total-Phase Doppler Tracking in Chinese Mars Mission

Details Testing Gravitational Waves with Total-Phase Doppler Tracking in Chinese Mars Mission Testing Gravitational Waves with Total-Phase Doppler Tracking in Chinese Mars Mission

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010gras.conf..102s&link_type=abstract

GRAVITATION AND ASTROPHYSICS. Proceedings of the Ninth Asia-Pacific International Conference. Held 29 June-2 July 2009 in Wuhan,

Astronomy and Astrophysics

Astrophysics

Yinghuo-1, Total-Phase-Count, Open-Loop Doppler, Chang'E-1

Scientific paper

Using the radio telescopes in Chinese VLBI Network (CVN) and the K5/VSSP32 VLBI system of NICT in Japan, we have developed Total-Phase-Count algorithms that extract open-loop Doppler information from the Chang'E-1 tracking data. Our latest results indicate that Doppler residuals of three-way Doppler are about 3mm/s in Is integration time, relative to an 2.3GHz carrier. This system has also been used in ESA's Mars Express observation in Nov. 2008. In the Chinese-Russian Mars mission (Yinghuo-1) of 2011, the current software algorithms and hardware performance will be improved, and we will attempt to use Total-Phase-Count observable and high precision Doppler shift information to test gravitational waves.

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