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Centre-of-Mass Correction Accuracy in High Pulse Repetition Rate Satellite Laser Ranging


M. A. Sadovnikov

In high-accuracy satellite laser ranging (SLR), the measurement result must be referred to the satellite centre of mass (CoM), while the actual distance is measured to the center of reflection of a retroreflecor array installed on the satellite. The distance determination between the CoM and the reflection centre (CoM correction) should be made with a highest possible accuracy. The author demonstrates that for an adequate representation of the pulse response function and hence for an adequate CoM correction, the best choice is to use a single-photon mode of photodetector operation. A presented example of CoM correction calculation for the LAGEOS satellite shows that submillimeter accuracy of the CoM correction may be achieved.
June 24, 2020
May 29, 2020

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