> At 22:20 7/06/01 , Allen Thomson wrote: > > >Since the XYZ is given every hour and the motion is slow, would simple > >differencing > >of successive coordinates be a reasonable way to get the dots? Also, could This would give the speed near the midpoint, so using points 1 and 3 to get the "dot" for point 2 would be more accurate. (Using that linear estimate and fitting a quadratic to 5-7 residuals might be overkill, but could eliminate noise from low-precision positions - no decimals on km?) /Björn ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Thu Jun 07 2001 - 13:11:07 PDT