Error Control of Numerical Integration in SLR Analysis Software CONCERTO.
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概要
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The Communications Research Laboratory (CRL) is developing the orbit-analysis software CONCERTO for data processing of Satellite Laser Ranging (SLR) . CONCERTO shares many common physical models and constants with the operational Very LongBaseline Interferometry (VLBI) software previously developed by CRL. In the numerical integration procedure, the modified Encke's method is introduced to curb the round-off error. The modified back differences method has been improved to eliminate the acceleration discontinuity in the orbit integration . As a result, the error in the computational process remains less than 1 cm in a one-month integration of the LAGEOS satellite.
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