Two-Step Laser Ranging for Precise Tracking of a Spacecraft
- Thursday, 04 January 2007
Meanwhile, the position of the spacecraft relative to the Earth would be determined by ranging by use of a laser transponder. The vector sum of the two sets of ranging measurements would be the position of the proof mass relative to the Earth. Unlike the acceleration of the spacecraft, the acceleration of the proof mass should not include a residual component attributable to leakage of fuel. In addition, the effects of solar radiation and solar wind on the proof mass could be minimized by releasing the proof mass into the shadow of the spacecraft.
This work was done by Talso Chui and Konstantin Penanen of Caltech for NASA’s Jet Propulsion Laboratory. For further information, access the Technical Support Package (TSP) free on-line at www.techbriefs.com/tsp under the Mechanics category.
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Two-Step Laser Ranging for Precise Tracking of a Spacecraft (reference NPO-40733) is currently available for download from the TSP library.
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