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kangfulike

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Abstract¡ªIn order to maintain the integrity and safe
operation of a power system, a state-of-the-art wiring diagnostic
technique is imperative. Joint Time-Frequency Domain
Reflectometry (JTFDR) is proposed as an ideal solution due to
it¡¯s customizable reference signal and unique time-frequency
cross-correlation function. The reference signal depends on
three parameters: center frequency, bandwidth, and time
duration. Previously, these parameters were chosen based on
the frequency characteristics of the cable under test. This
paper will fully analyze the changing effects of a wide-range of
parameter combinations on two different types of defects. It is
determined that there exist optimal reference signal parameters
for particular defect types. With this knowledge, JTFDR is able
to more sensitively detect various defect types over a longer
distance than previously possible. ׿±Óã¡Ð»Ð»£¡

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