Abstract
Covariance analysis of the performance of the Geoscience Laser Ranging System (GLRS) indicates that three dimensional relative positioning can be recovered to an accuracy of several millimeters over spatial scales from a few kilometers to several hundred kilometers and over temporal scales as short as several days. Key factors influencing the accuracy are the range noise, target number and location, system pointing capability, dwell time on the targets, orbital geometry, and gravity field uncertainties. GLRS is being designed to provide range measurements with 10 mm or better accuracy, to fire at a rate of 40 pulses-persecond, and to point over an angular range of 50 degrees from nadir. We anticipate that it will be able to operate with a dwell time on individual targets of 2 seconds or less.
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Cohen, S.C., Chinn, D.S., Dunn, P.J. (1990). Geoscience Laser Ranging System (GLRS): Characteristics and Expected Performance in Geodynamic Applications. In: Vyskocil, P., Reigber, C., Cross, P.A. (eds) Global and Regional Geodynamics. International Association of Geodesy Symposia, vol 101. Springer, New York, NY. https://doi.org/10.1007/978-1-4615-7109-4_7
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DOI: https://doi.org/10.1007/978-1-4615-7109-4_7
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