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Unformatted text preview: is the difference between the slant path traveltime (AB) and the traveltime along the refractor beneath (AB) Delay time below shotpoint S: 1 2 2 1 2 2 2 1 2 1 tan cos ' V V V V h T V i h i V h T V B A V AB T A S c A c A S S = = = 1 2 2 1 2 2 V V V V h T D D = Likewise, beneath D: The delay time is related to the perpendicular depth beneath the geophone. If we know the delay time, V 1 and V 2 then we can calculate the depth....
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This note was uploaded on 01/07/2012 for the course PHYSICS 384 taught by Professor Wei during the Spring '09 term at SUNY Stony Brook.
- Spring '09