<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this paper the working principle and application status of distributed optical fiber temperature sensor, amplified spontaneous Raman scattering phenomenon and its time-domain characteristics are analyzed. A new measuring principle based on amplified spontaneous Raman scattering light pulse signal temperature effect is presented, and is applied to distributed optical fiber sensor systems. Noise inevitably exists in data collected by distributed optical fiber temperature sensing systems. According to the needs of high-temperature oil well testing, distributed high temperature single-mode fiber sensors and detection equipment are designed, and gives two-dimensional data of oil well temperature testing. Because of the weak Raman backwards scattered signal and serious noise disturbance, multi-resolution wavelet analysis and reconstruction method are adopted for the denoising of testing signal.</p>
</abstract>

In this paper the working principle and application status of distributed optical fiber temperature sensor, amplified spontaneous Raman scattering phenomenon and its time-domain characteristics are analyzed. A new measuring principle based on amplified spontaneous Raman scattering light pulse signal temperature effect is presented, and is applied to distributed optical fiber sensor systems. Noise inevitably exists in data collected by distributed optical fiber temperature sensing systems. According to the needs of high-temperature oil well testing, distributed high temperature single-mode fiber sensors and detection equipment are designed, and gives two-dimensional data of oil well temperature testing. Because of the weak Raman backwards scattered signal and serious noise disturbance, multi-resolution wavelet analysis and reconstruction method are adopted for the denoising of testing signal.

Measurement And Analysis Of High Temperature Using Distributed Fiber Optic Sensor

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

In this paper the working principle and application status of distributed optical fiber temperature sensor, amplified spontaneous Raman scattering phenomenon...

Measurement And Analysis Of High Temperature Using Distributed Fiber Optic Sensor

Published Online: Dec 01, 2014

Page range: 1595 - 1612

Received: Jul 15, 2014

Accepted: Oct 30, 2014

DOI: https://doi.org/10.21307/ijssis-2017-722

Keywords
Fiber optic, Sensor, Digital signal processing, Temperature control

© 2014 Yongjiao Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Measurement And Analysis Of High Temperature Using Distributed Fiber Optic Sensor

Published Online: Dec 01, 2014

Page range: 1595 - 1612

Received: Jul 15, 2014

Accepted: Oct 30, 2014

DOI: https://doi.org/10.21307/ijssis-2017-722

KeywordsFiber optic, Sensor, Digital signal processing, Temperature control

© 2014 Yongjiao Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Fiber optic, Sensor, Digital signal processing, Temperature control