Statistics – Applications
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lri..workr....r&link_type=abstract
In NASA. Goddard Space Flight Center, Eighth International Workshop on Laser Ranging Instrumentation 8 p (SEE N94-15552 03-19)
Statistics
Applications
Data Processing, Geodynamics, Laser Range Finders, Lunar Rangefinding, Satellite Tracking, Unix (Operating System), Windows (Computer Programs), Workstations, Artificial Satellites, Data Reduction, Data Transmission, Earth Crust, Earth Rotation, Tectonics
Scientific paper
In cooperation with the NASA Crustal Dynamics Project initiative placing workstation computers at each of its laser ranging stations to handle data filtering and normalpointing, MLRS personnel have developed a new generation of software to provide the same services for the lunar laser ranging data type. The Unix operating system and X windows/Motif provides an environment for both batch and interactive filtering and normalpointing as well as prediction calculations. The goal is to provide a transportable and maintainable data reduction environment. This software and some sample displays are presented. that the lunar (or satellite) datacould be processed on one computer while data was taken on the other. The reduction of the data was totally interactive and in no way automated. In addition, lunar predictions were produced on-site, another first in the effort to down-size historically mainframe-based applications. Extraction of earth rotation parameters was at one time attempted on site in near-realtime. In 1988, the Crustal Dynamics Project SLR Computer Panel mandated the installation of Hewlett-Packard 9000/360 Unix workstations at each NASA-operated laser ranging station to relieve the aging controller computers of much of their data and communications handling responsibility and to provide on-site data filtering and normal pointing for a growing list of artificial satellite targets. This was seen by MLRS staff as an opportunity to provide a better lunar data processing environment as well.
Ricklefs Randall L.
Ries Judit Gyorgyey
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