imp2rcs.m

基于matlab的反演程序,用于地球物理勘探中射线追踪及偏移成像程序.

function rcs=imp2rcs(imp)

% rcs=imp2rcs(imp)
%
% Compute the reflection coeficients given the impedence in time.
% Relation is that developed in Waters that:
%  rcs=.5* d(log(imp))/dt;
%
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% detailed in this software's Matlab source file.
 
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 %use the built in gradient function to get central differences.
 % the transpose is here to force a real result.
 rcs= .5*gradient( log(imp) );