{"title":"An extraction optimization algorithm design for IP parameters in CSAMT","authors":"Wendong Xu, Guohua Lv","doi":"10.1109/ICCCHINAW.2017.8355270","DOIUrl":null,"url":null,"abstract":"The Cole-Cole model is introduced in layered media of CSAMT to describe induced polarization effect. The Cagniard apparent resistivity amplitude is used to construct the objective function so as to extract IP parameters from CSAMT data. The calculation method of apparent resistivity containing IP effect is given. Then designed extraction algorithm for IP information based least square. In order to solve the objective function value fluctuation wildly and the impact caused by the size difference of model parameters, the general sense objective function is optimized. The detailed calculation process of partial derivative is given. Derived the method of model parameters changing. Finally the effectiveness of the algorithm is verified by experimental testing. The algorithm is useful to extract IP parameters from over two-dimensional medium and other electrical sounding data.","PeriodicalId":164833,"journal":{"name":"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE/CIC International Conference on Communications in China (ICCC Workshops)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCHINAW.2017.8355270","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The Cole-Cole model is introduced in layered media of CSAMT to describe induced polarization effect. The Cagniard apparent resistivity amplitude is used to construct the objective function so as to extract IP parameters from CSAMT data. The calculation method of apparent resistivity containing IP effect is given. Then designed extraction algorithm for IP information based least square. In order to solve the objective function value fluctuation wildly and the impact caused by the size difference of model parameters, the general sense objective function is optimized. The detailed calculation process of partial derivative is given. Derived the method of model parameters changing. Finally the effectiveness of the algorithm is verified by experimental testing. The algorithm is useful to extract IP parameters from over two-dimensional medium and other electrical sounding data.
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