TY - GEN
T1 - Joint time-frequency optimized reference for surface wave reflectometry-based insulation health assessment
AU - Coats, David
AU - Alam, Md Nazmul
AU - Deng, Qiu
AU - Ali, Mohammod
AU - Shin, Yong June
PY - 2012
Y1 - 2012
N2 - In this paper, we present a time-frequency based reflectometry solution that focuses on the practical implementation of in-situ and non-destructive cable diagnostic tests. Towards this ideal health monitoring approach, we have explored the implementation of alternative monitoring techniques using surface wave injection for monitoring of cable insulation health toward nondestructive tests. Through use of surface wave propagation, a diagnostic signal can be injected in control, instrumentation, and power cable without removing installed samples under test. However, in practical implementation of surface wave tests through antenna, problems are presented in the form of dispersive media distorting the response of the frequency sweeping reference signal in either frequency or time-frequency domains. We present an optimal reference signal and time-frequency cross correlation diagnostic and prognostic algorithm to allow for implementation of joint time-frequency domain reflectometry (JTFDR) in minimal bandwidth to reduce attenuation in surface wave reflectometry.
AB - In this paper, we present a time-frequency based reflectometry solution that focuses on the practical implementation of in-situ and non-destructive cable diagnostic tests. Towards this ideal health monitoring approach, we have explored the implementation of alternative monitoring techniques using surface wave injection for monitoring of cable insulation health toward nondestructive tests. Through use of surface wave propagation, a diagnostic signal can be injected in control, instrumentation, and power cable without removing installed samples under test. However, in practical implementation of surface wave tests through antenna, problems are presented in the form of dispersive media distorting the response of the frequency sweeping reference signal in either frequency or time-frequency domains. We present an optimal reference signal and time-frequency cross correlation diagnostic and prognostic algorithm to allow for implementation of joint time-frequency domain reflectometry (JTFDR) in minimal bandwidth to reduce attenuation in surface wave reflectometry.
UR - http://www.scopus.com/inward/record.url?scp=84868560620&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84868560620&partnerID=8YFLogxK
U2 - 10.1109/ISSPA.2012.6310461
DO - 10.1109/ISSPA.2012.6310461
M3 - Conference contribution
AN - SCOPUS:84868560620
SN - 9781467303828
T3 - 2012 11th International Conference on Information Science, Signal Processing and their Applications, ISSPA 2012
SP - 1135
EP - 1140
BT - 2012 11th International Conference on Information Science, Signal Processing and their Applications, ISSPA 2012
T2 - 2012 11th International Conference on Information Science, Signal Processing and their Applications, ISSPA 2012
Y2 - 2 July 2012 through 5 July 2012
ER -