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Improved Data Preprocessing Algorithm for Time-Domain Induced Polarization Method with Digital Notch Filter

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Języki publikacji
EN
Abstrakty
EN
Time-domain induced polarization (TDIP) measurement is seriously affected by power line interference and other field noise. Moreover, existing TDIP instruments generally output only the apparent chargeability, without providing complete secondary field information. To increase the robustness of TDIP method against interference and obtain more detailed secondary field information, an improved dataprocessing algorithm is proposed here. This method includes an efficient digital notch filter which can effectively eliminate all the main components of the power line interference. Hardware model of this filter was constructed and Vhsic Hardware Description Language code for it was generated using Digital Signal Processor Builder. In addition, a time-location method was proposed to extract secondary field information in case of unexpected data loss or failure of the synchronous technologies. Finally, the validity and accuracy of the method and the notch filter were verified by using the Cole-Cole model implemented by SIMULINK software. Moreover, indoor and field tests confirmed the application effect of the algorithm in the fieldwork.
Czasopismo
Rocznik
Strony
2264--2288
Opis fizyczny
Bibliogr. 32 poz.
Twórcy
autor
  • North University of China, Taiyuan, Shanxi, China
  • Key Laboratory of Geo-detection Ministry of Education, China University of Geosciences, Beijing, China
autor
  • Key Laboratory of Geo-detection Ministry of Education, China University of Geosciences, Beijing, China
autor
  • Key Laboratory of Geo-detection Ministry of Education, China University of Geosciences, Beijing, China
autor
  • Technical Department TSLC, Taiyuan, Shanxi, China
autor
  • Key Laboratory of Geo-detection Ministry of Education, China University of Geosciences, Beijing, China
Bibliografia
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Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-2229341a-8cf8-499e-9e41-ec2d851aad82
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