Three-D crater analysis of LDEF impact features from stereo imagery

Details Three-D crater analysis of LDEF impact features from stereo imagery Three-D crater analysis of LDEF impact features from stereo imagery

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ldef.symp..339s&link_type=abstract

In NASA. Langley Research Center, LDEF: 69 Months in Space. Second Post-Retrieval Symposium, Part 2 p 339-345 (SEE N93-29354 11-

Physics

Hypervelocity Impact, Long Duration Exposure Facility, Meteorite Craters, Meteoroids, Parabolic Bodies, Polynomials, Depth, Hypervelocity Projectiles, Imagery, Meteoritic Damage, Meteoroid Hazards

Scientific paper

The preliminary results from attempts to derive depth and diameter information from digitized stereo images of impact features on the LDEF are reported. Contrary to our prior assumption, we find that impact craters in the T6 A1 alloy are not paraboloid in cross section, but rather are better described by a 6th-order polynomial curve. We explore the implications of this discovery.

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