Application of time-frequency domain reflectometry for detection and localization of a fault on a coaxial cable

Yong June Shin, Edward J. Powers, Tok Son Choe, Chan Young Hong, Eun Seok Song, Jong Gwan Yook, Jin Bae Park

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

In this paper, we introduce a new high-resolution reflectometry technique that operates simultaneously in both the time and frequency domains. The approach rests upon time-frequency signal analysis and utilizes a chirp signal multiplied by a Gaussian time envelope. The Gaussian envelope provides time localization, while the chirp allows one to excite the system under test with a swept sinewave covering a frequency band of interest. This latter capability is of particular interest when testing communication cables and systems. Sensitivity in detecting the reflected signal is provided by a time-frequency cross-correlation function. The approach is verified by experimentally locating various types of faults, located at various distances, in RG 142 and RG 400 coaxial cables.

Original languageEnglish
Pages (from-to)2493-2500
Number of pages8
JournalIEEE Transactions on Instrumentation and Measurement
Volume54
Issue number6
DOIs
Publication statusPublished - 2005 Dec 1

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Telecommunication cables
coaxial cables
Coaxial cables
Signal analysis
Frequency bands
Communication systems
Testing
communication cables
envelopes
chirp signals
signal analysis
chirp
cross correlation
telecommunication
coverings
sensitivity
high resolution

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

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Application of time-frequency domain reflectometry for detection and localization of a fault on a coaxial cable. / Shin, Yong June; Powers, Edward J.; Choe, Tok Son; Hong, Chan Young; Song, Eun Seok; Yook, Jong Gwan; Park, Jin Bae.

In: IEEE Transactions on Instrumentation and Measurement, Vol. 54, No. 6, 01.12.2005, p. 2493-2500.

Research output: Contribution to journalArticle

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