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《Progress in Geophysics》 2014-04
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Applying magnetic field gradient method to detect abandoned bombs

CHEN Zai-lin;FAN Li-fei;WANG Hui-bo;WANG Yong;YU Qiu-lian;Yunnan Land and Resources Vocational College;Laurel Technologies;Airborne Survey and Remote Sensing Center of Nuclear Industry;International Cooperative Department,Petrochina Huabei Oilfield Company;  
In order to detect underground waste bomb left over from World War Ⅱ,first of all,we have carried out a total magnetic field gradient detection simulation experiments,secondly,on this basis,explore some of the magnetic body to determine the location and extent of data processing techniques,such as adaptive reduction to the pole,vertical two order derivative,three-dimensional analytic signal and Euler deconvolution inversion calculation,etc,Then use this method of data collection,data processing method to the actual detection of abandoned bombs,and achieved certain results.We believe that the gradient magnetic measurement was a better,faster method for detecting superficial and small magnetic body.And used adaptive reduction to the pole,vertical two order derivative method is basically able to determine the location and number of abandoned bombs,while using three-dimensional analytic signal data processing method to determine the direction of abandoned bombs,using Euler deconvolution method to determine the depth of abandoned bombs.
【Fund】: 云南省地矿局科技创新基金(2012JJ03);; 云南省教育厅科学研究基金(2013Y561)联合资助
【CateGory Index】: P631.2
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