Rainfall compensation scheme in distributed optical-fiber vibration sensor engineering system

Hui Zhu; Chao Pan; Xiaohan Sun

doi:10.1117/12.2050393

4 June 2014 Rainfall compensation scheme in distributed optical-fiber vibration sensor engineering system

Hui Zhu, Chao Pan, Xiaohan Sun

Proceedings Volume 9113, Sensors for Extreme Harsh Environments; 91130F (2014) https://doi.org/10.1117/12.2050393
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

In this paper, the compensating scheme for the large noise induced by rainfall in the distributed optical-fiber vibration sensor engineering system (DFVSES) is proposed and demonstrated. DFVSES with rainfall compensation is made up of two subsystems using a common optical source and same optical circuit. Analyzing spectrum of the output signals under rainfall condition, and comparing the amplitude of the output signal for the sensing subsystem and the amplitude calculated from the amplitude of the output signal for the reference subsystem, the vibration can be got in the harsh climatic environments. We set up the experimental system, and the results show DFVSES with the scheme can effectively work under rainfall condition.

Citation Download Citation

Hui Zhu, Chao Pan, and Xiaohan Sun "Rainfall compensation scheme in distributed optical-fiber vibration sensor engineering system", Proc. SPIE 9113, Sensors for Extreme Harsh Environments, 91130F (4 June 2014); https://doi.org/10.1117/12.2050393

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