SOME STUDIES RELATING TO NONUNIQUENESS IN GRAVITY AND MAGNETIC INVERSE PROBLEMS

摘要: Polygonal models which are of uniform density or magnetization contrast and contain no cavities sufficient to ensure the uniqueness solutions in gravity magnetic problems. Nonuniqueness is then attributed a number other factors discussed detail. We study problem nonuniqueness using mainly parameter hyperspace ambiguity takes form scatter local minima continuous domain bounded by contour whose value determined amplitude observational errors. The possible being examined contained region would have unique solution under exact conditions decreases extent as causing decrease. Thus, favorable conditions, large degree may occur. By starting search from good initial point based on all available information, we obtain satisfactory without specifying any parameters defining model. Different...