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| | Abstract | | High-speed resistivity profiling system using code division multiple transmission is developed and tested in an actual field. The system can transmit 24 currents simultaneously and measure 24 potential responses with monitoring of actual current waveforms. In the case of using 0.1 second current pulse, only 9.6 second is necessary to obtain all of 24x24(totally 576) data. Result of an application to river embankment evaluation demonstrates feasibility of the system. |
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