抄録
We have demonstrated that frequency domain reflectometry (FDR) can locate the position of degradation or abnormality in a cable with the assistance of inverse fast-Fourier transform (IFFT). Although it is easily understandable that this FDR-IFFT method can be applied for a location attempt of a cable with more than one abnormality, we have not demonstrated this experimentally. Therefore, we heated two different positions on a coaxial cable of 31.5 m insulated with low-density polyethylene using two heating chambers. As a result, it is clearly indicated that the two positions can be located if we heated there only by 10°C. Furthermore, this method can precisely estimate the length of a heated portion in a coaxial cable when we set the highest measurement frequency higher than 600 MHz.
本文言語 | English |
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ページ(範囲) | 367-372 |
ページ数 | 6 |
ジャーナル | IEEJ Transactions on Fundamentals and Materials |
巻 | 139 |
号 | 9 |
DOI | |
出版ステータス | Published - 2019 1 1 |
ASJC Scopus subject areas
- Electrical and Electronic Engineering