| 基于InGaAs探测器的FBG传感系统数据采集研究 |
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| 引用本文： | 冯忠伟,张力,江琴,孙义斌.基于InGaAs探测器的FBG传感系统数据采集研究[J].光电子．激光,2011(9):1322-1325. |
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| 作者姓名： | 冯忠伟 张力 江琴 孙义斌 |
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| 作者单位： | 北京长城计量测试技术研究所；;北京长城计量测试技术研究所；;北京长城计量测试技术研究所；;北京长城计量测试技术研究所； |
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| 基金项目： | 航空集团创新团队基金资助项目(09102508) |
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| 摘 要： | 研究并实现了一种基于InGaAs线阵探测器的光纤Bragg光栅（FBG）传感系统。针对所采用的InGaAs线阵探测器,分析了其基本特征和工作时序,设计了相应的驱动电路和数据采集、传输系统,并基于FPGA时序控制实现了上述系统。针对系统采集得到的原始数据,通过双通道数据分离算法得到完整的光谱数据,并通过多项式拟合对数据进...
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| 关 键 词： | 光纤Bragg光栅(FBG) InGaAs探测器 驱动电路 数据处理 |
Research on the data acquisition for the FBG sensing system based on InGaAs detector |
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| FENG Zhong-wei,ZHANG Li,JIANG Qin and SUN Yi-bin.Research on the data acquisition for the FBG sensing system based on InGaAs detector[J].Journal of Optoelectronics·laser,2011(9):1322-1325. |
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| Authors: | FENG Zhong-wei ZHANG Li JIANG Qin and SUN Yi-bin |
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| Affiliation: | Beijing Changcheng Institute of Metrology and Measurement,Beijing 100095,China;Beijing Changcheng Institute of Metrology and Measurement,Beijing 100095,China;Beijing Changcheng Institute of Metrology and Measurement,Beijing 100095,China;Beijing Changcheng Institute of Metrology and Measurement,Beijing 100095,China |
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| Abstract: | A fiber Bragg grating(FBG) sensing system based on InGaAs linear array detector is researched and realized.The characteristics and time sequence of the detector are analyzed.The drive circuit,data acquisition and transmission system for the detector are designed and realized with the application of FPGA.The dual-channel splitting algorithm is realized to obtain the spectrum profile from the original data,and the polynomial fitting algorithm is employed for peak search and calibration.The experim... |
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| Keywords: | fiber Bragg grating(FBG) InGaAs detector drive circuit data processing |
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