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Line 71:
Line 71: − <math> \sigma =\frac{\left ( \sigma _1+\sigma _2 \right )}{2}, \Delta \sigma = \left ( \sigma _2-\sigma _1 \right )</math>+ − <math> A_o = B-2\left ( 1+B \right )\frac{1-2\sigma }{1-\sigma } </math>+ − <math> B = \frac{\frac{\Delta \alpha }{\alpha }}{\frac{\Delta \alpha }{\alpha }+ \frac{\Delta \rho }{\rho }}</math>+
Amplitude variations with offset (AVO) (view source)
Revision as of 13:42, 14 July 2015
, 13:42, 14 July 2015→Shuey Approximation (1985)
where
where
:<math> \sigma =\frac{\left ( \sigma _1+\sigma _2 \right )}{2}, \Delta \sigma = \left ( \sigma _2-\sigma _1 \right )</math>
:<math> A_o = B-2\left ( 1+B \right )\frac{1-2\sigma }{1-\sigma } </math>
:<math> B = \frac{\frac{\Delta \alpha }{\alpha }}{\frac{\Delta \alpha }{\alpha }+ \frac{\Delta \rho }{\rho }}</math>
==AVO Classification==
==AVO Classification==