Difference between revisions of "Dictionary:Aplanatic surface"
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| − | (ap, l∂ nat’ ik) The locus for a given traveltime of wave energy reflected or refracted at a surface. Wavefronts are aplanatic surfaces for reflection times observed at the source point; see Figures [[Dictionary:Fig_A-15|A-15]] and [[Dictionary:Fig_W-3|W-3]]. Aplanatic surfaces can be drawn (for example) to define a salt-sediment interface (Figure [[Dictionary:Fig_A-15|A-15]]c); each combination of source point and geophone position defines one aplanatic surface. If the velocity and other assumptions are correct, the salt-sediment interface is the common tangent to all of the aplanatic surfaces. See Gardner (1949) and Musgrave et al. (1967). | + | <translate> |
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| + | <translate>{{#category_index:A|aplanatic surface}} | ||
| + | (ap, l∂ nat’ ik) The locus for a given traveltime of wave energy reflected or refracted at a surface. Wavefronts are aplanatic surfaces for reflection times observed at the source point; see Figures [[Special:MyLanguage/Dictionary:Fig_A-15|A-15]] and [[Special:MyLanguage/Dictionary:Fig_W-3|W-3]]. Aplanatic surfaces can be drawn (for example) to define a salt-sediment interface (Figure [[Special:MyLanguage/Dictionary:Fig_A-15|A-15]]c); each combination of source point and geophone position defines one aplanatic surface. If the velocity and other assumptions are correct, the salt-sediment interface is the common tangent to all of the aplanatic surfaces. See Gardner (1949) and Musgrave et al. (1967). | ||
[[Category:Missing references]] | [[Category:Missing references]] | ||
[[Category:Missing figures]] | [[Category:Missing figures]] | ||
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Revision as of 19:54, 4 March 2018
(ap, l∂ nat’ ik) The locus for a given traveltime of wave energy reflected or refracted at a surface. Wavefronts are aplanatic surfaces for reflection times observed at the source point; see Figures A-15 and W-3. Aplanatic surfaces can be drawn (for example) to define a salt-sediment interface (Figure A-15c); each combination of source point and geophone position defines one aplanatic surface. If the velocity and other assumptions are correct, the salt-sediment interface is the common tangent to all of the aplanatic surfaces. See Gardner (1949) and Musgrave et al. (1967).
