A demodulation system and algorithm of FBG sensor based on DSP

Q4 Physics and Astronomy

光学技术 Pub Date : 2014-01-01 DOI:10.3788/GXJS20144003.0269

元雁龙 Yuan Yanlong, 江. A. Yi, 池宪 Chi Xian

引用次数: 0

Abstract

Wavelength interrogation technology is the key technology of optical fiber sensors.A FBG sensor demodulation system is introduced based on tunable fiber F-P filter and DSP chip.A fast,stable and high resolution demodulation algorithm is demonstrated.Wavelength resolution of 2pm and wavelength measure range of 50nm are achieved.The DSP chip is used to control the optical scanning system,datum acquisition and processing.The demodulation speed of the system is improved.

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基于DSP的光纤光栅传感器解调系统及解调算法

波长探测技术是光纤传感器的关键技术。介绍了一种基于可调光纤F-P滤波器和DSP芯片的光纤光栅传感器解调系统。给出了一种快速、稳定、高分辨率的解调算法。波长分辨率达到2pm，波长测量范围达到50nm。DSP芯片用于控制光扫描系统、数据采集和处理。提高了系统的解调速度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

光学技术 Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

0.60

自引率

0.00%

发文量

6699

期刊介绍： The predecessor of Optical Technology was Optical Technology, which was founded in 1975. At that time, the Fifth Ministry of Machine Building entrusted the School of Optoelectronics of Beijing Institute of Technology to publish the journal, and it was officially approved by the State Administration of Press, Publication, Radio, Film and Television for external distribution. From 1975 to 1979, the magazine was named Optical Technology, a quarterly with 4 issues per year; from 1980 to the present, the magazine is named Optical Technology, a bimonthly with 6 issues per year, published on the 20th of odd months. The publication policy is: to serve the national economic construction, implement the development of the national economy, serve production and scientific research, and implement the publication policy of "letting a hundred flowers bloom and a hundred schools of thought contend".