Airborne ballistic camera tracking systems
William L. Redish, Langley Research Center, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, 1976 - Science - 44 pages
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accuracy airborne ballistic camera airborne system airborne track aircraft altitude aircraft motion aircraft See figs aircraft viewport apparent direction cosines APPENDIX G arbitrary plate coordinates azimuth Ballistic camera plate ballistic camera tracking camera optical center camera orientation CAMERA TRACKING SYSTEMS computer program control star coordinates of star corrected for distortion data-reduction process distortion coefficients Earth radius elevation angle epoch exposures figure focal length geodetic height geodetic latitude geodetic normal vector Greenwich hour angle Greenwich meridian image coordinates Langley Research Center lines of sight longitude loop loran mathematical adjustment mean star residual NASA parameters plate image position See fig procedure Proper Motions Reentry-F mission relationships right ascension rotation rotational matrix secondary aircraft position sidereal system star angles star data star field star trail station geodetic station position subscript substituted into equation target angle target lines target trail test mission time-height profile tion tracking stations triangulation true zenith angle Xapp