The development of the model and arithmetic for the fully distributed fiber optic sensor based on Raman optical-fiber frequency-domain reflectometry (ROFDR)

被引：11
|
作者：
Geng, JP [1 ]
Xu, JD [1 ]
Li, Y [1 ]
Wei, G [1 ]
Guo, CJ [1 ]
机构：
[1] Northwestern Polytech Univ, Dept Elect Engn, Xian 710072, Shaan Xi, Peoples R China
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2002年 / 101卷 / 1-2期
关键词：
Raman optical-fiber frequency-domain reflectometry (ROFDR); distributed temperature fiber optic sensor;
D O I：
10.1016/S0924-4247(02)00208-X
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The theoretical model of Raman optical-fiber frequency-domain reflectometry (ROFDR) which is brought forward in these years is analyzed, and the defect of the model is found. The theoretical model is consummated by regarding the Bose-Einstein factor as the function of temperature. Because the temperature changes slowly, the relation between the frequency and time is studied, and the model between the v domain and z domain is given. The emulational result is presented. By the corrected method, the corrected calculation temperature is almost accordant with the real temperature, and the error is less than that is reported. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：132 / 136
页数：5
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