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Study on simulated-annealing MT-gravity joint inversion

CHEN Hua-Gen,LI Jia-Xiao,WU Jian-Sheng,YU Peng State Key Laboratory of Marine Geology,Tongji University,Shanghai 200092,China  
In this paper we studied the MT-gravity joint inversion technique using simulated annealing algorithm.We analyzed the necessity and feasibility of MT-gravity joint inversion,discussed its technical difficulties and proposed the solutions.We mainly researched the solutions to model disturbance,inconsistency of MT-gravity interfaces,and weighted combination of objective functions and proposed MT-GSA algorithm.Based on these,method tests with theoretical model and practical data achieved good results.
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