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Detection and Estimation of Multiple Faults on a Coaxial Cable Based on TFDR Algorithm  

송은석 (연세대학교 전기전자공학과)
신용준 (텍사스 오스틴 전기컴퓨터공학과)
육종관 (연세대학교 전기전자공학과)
박진배 (연세대학교 전기전자공학과)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.14, no.10, 2003 , pp. 1079-1088 More about this Journal
Abstract
In this paper, we propose a high-resolution time-frequency domain reflectometry technique as a methodology of detection and estimation of faults on a wire. This method adopts the time-frequency cross correlation characteristics of the observed signal in both time and frequency domains simultaneously. The accuracy of the proposed method is verified with experiments using a RG type coaxial cable and comparing it with traditional time domain as well as frequency domain reflectometry methods. It is clearly shown here that the proposed algorithm produces excellent results compared to the conventional methods for single as well as multiple fault cables.
Keywords
Time-Frequency Domain Reflectometry; Chirp Signal; Time Frequency Cross Correlation; Fault Detection; Fault Estimation; Resolution;
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