Liu, K;
Tian, M;
Jiang, J;
An, J;
Xu, T;
Ma, C;
Pan, L;
... Liu, T; + view all
(2016)
An Improved Positioning Algorithm in a Long-Range Asymmetric Perimeter Security System.
Journal of Lightwave Technology
, 34
(22)
pp. 5278-5283.
10.1109/JLT.2016.2615646.
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Abstract
In this paper, an improved positioning algorithm is proposed for a long-range asymmetric perimeter security system. This algorithm employs zero-crossing rate to detect the disturbance starting point, and then utilizes an improved empirical mode decomposition to obtain the effective time-frequency distribution of the extracted signal. In the end, a cross-correlation is used to estimate the time delay of the effective extracted signal. The scheme is also verified and analyzed experimentally. The field test results demonstrate that the proposed scheme can achieve a detection of 96.60% of positioning errors distributed within the range of 0-±20 m at the sensing length of 75 km, which significantly improves the positioning accuracy for the long-range asymmetric fence perimeter application.
| Type: | Article |
|---|---|
| Title: | An Improved Positioning Algorithm in a Long-Range Asymmetric Perimeter Security System |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/JLT.2016.2615646 |
| Publisher version: | https://doi.org/10.1109/JLT.2016.2615646 |
| Language: | English |
| Additional information: | Copyright © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Keywords: | Science & Technology, Technology, Physical Sciences, Engineering, Electrical & Electronic, Optics, Telecommunications, Engineering, Asymmetric Dual Mach-Zehnder Interferometer (Admzi), Empirical Mode Decomposition (Emd), Fiber Optic Distributed Sensor, Positioning Algorithm, Signal Analysis, Fiber-Optic Sensors, Input-Polarization, Time-Delay, Noise |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1535129 |
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