Investigation of Truncation Error in Least Squares Digital Filtering of Azusa Data.
GENERAL DYNAMICS/ASTRONAUTICS SAN DIEGO CA
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The selection of the proper filter needed for smoothing any specific data is aided by knowledge of the output truncation error of the filter under consideration. Graphs of this error versus the number of points of the filter are presented for eight main regions of a typical Centaur Twenty-Four Hour Orbit Trajectory. The coordinate system utilized in the investigation was the Azusa tracker coordinates referenced to a tracker centered, north-east rectangular coordinate system. Two tracker locations were necessary in order to track the eight regions involved in the study. These two locations are 1 Cape, Canaveral, Florida 2 Kapingamarangi, Solomon Islands. Filters of order one, two and three with midpoint and endpoint prediction for position to position to velocity smoothing are investigated. Author
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