Detection and computation of the amount of atmospheric wave-front tilt in the application of adaptive optics technology to lunar laser ranging |
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| Institution: | 1. Astronomical Observatory of Odessa I.I.Mechnikov National University, Marazlievskaya, 1b, Odessa, Ukraine;2. Astronomical Observatory of Odessa I.I.Mechnikov National University, Ukraine;1. College of Sciences, National University of Defense Technology, Changsha 410073, China;2. Sciences and Technology on Aerospace Flight Dynamic Laboratory, Beijing 100094, China;3. Beijing Aerospace Control Center, Beijing 100094, China;1. College of Science, National University of Defense Technology, 1, Fuyuan Road, Changsha 410073, China;2. Science and Technology on Aerospace Flight Dynamics Laboratory, 26, Beiqing Road, Beijing 100094, China;3. Beijing Aerospace Control Center, 26, Beiqing Road, Beijing 100094, China;1. Space Science Division, Korea Astronomy and Space Science Institute, 776, Daedeok-Daero, Yuseong-Gu, Daejeon 34055, Republic of Korea;2. Space Environment Research Centre, AITC2, Mount Stromlo Observatory, Weston Creek ACT 2611, Australia;3. Australian National University, Research School of Astronomy and Astrophysics, Mount Stromlo Observatory, Cotter Road, Weston Creek ACT 2611, Australia;4. Space Research Institute of the Austrian Academy of Sciences, Lustbuehelstrasse 46, A-8042 Graz, Austria;5. Hitotsubashi University, 2-1 Naka, Kunitachi, Tokyo 186-8601, Japan |
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| Abstract: | For dealing with the problem of too few photons in the return wave in lunar laser ranging, the effect of the atmospheric turbulence is studied. The principles of the two tracking algorithms, cross correlation and absolute difference are studied and programs are written, which are tested with solar data. Collected image data of the interested area on the lunar disc are given. The integrated tilt signals of the atmospheric wave front obtained are treated by different methods under different conditions and the algorithms are compared as to their effectiveness. |
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