干涉型光纤传感的相位载波调制解调算法

大气与环境光学学报 ›› 2018, Vol. 13 ›› Issue (3): 161-169.

• 综述 • 下一篇

干涉型光纤传感的相位载波调制解调算法

郝其龙1,2，邵士勇2*，李树旺1,2，梅海平2，饶瑞中1,2

(1中国科学技术大学环境科学与光电技术学院，安徽合肥 230026;
2 中国科学院安徽光学精密机械研究所中国科学院大气光学重点实验室，安徽合肥 230031)

收稿日期:2017-01-13 修回日期:2017-02-13 出版日期:2018-05-28 发布日期:2018-05-31
作者简介:郝其龙（1992-），男，硕士研究生，湖北荆州人，主要从事气溶胶光学特性方面的研究。
基金资助:
Supported by National Natural Science Foundation of China(国家自然科学基金, 41205022,41475024)

Phase Generated Carrier Modulation and Demodulation Algorithm of Interferometric Optic Fiber Sensor

HAO Qilong1,2, SHAO Shiyong2*, LI Shuwang1,2, MEI Haiping2, RAO Ruizhong1,2

(1 School of Environmental Optical and Technology, University of Science and Technology of China, Hefei 230026, China;
2 Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China)

Received:2017-01-13 Revised:2017-02-13 Published:2018-05-28 Online:2018-05-31
Supported by:
Supported by National Natural Science Foundation of China(国家自然科学基金, 41205022,41475024)

摘要/Abstract

摘要：

相位载波调制解调算法是干涉测量的关键技术之一。阐述了相位载波的调制解调原理，说明了相关参数的最佳选取数值，介绍了两种传统的相位载波解调算法，描述了相位载波算法存在的有限的动态范围问题、伴生调幅问题、载波相位延迟问题和相应的解决办法。最后总结相位载波调制解调算法的问题并展望了光纤传感器的发展趋势。

关键词: 干涉型光纤传感器, 相位载波, 动态范围, 伴生调幅, 载波相位延迟, 同步载波复原

Abstract:

Phase generated carrier modulation and demodulation algorithm is one of the key technologies for interfering measurement. The principle of modulation and demodulation of phase generated carrier is elaborated, the best numerical values of relevant parameters are illustrated, the two traditional phase generated carrier algorithms are introduced, the problem of limited dynamic range, companion amplitude modulation, carrier phase delay and corresponding solutions are described. Finally, the problems related to phase generated carrier modulation and demodulation algorithm is summarized and the trend of optical fibre sensor is forecasted.

Key words: interferometric optic fiber sensor, phase generated carrier, dynamic range, companion amplitude modulation, carrier phase delay, synchronous carrier restoration

中图分类号:

TN253

郝其龙邵士勇李树旺梅海平饶瑞中. 干涉型光纤传感的相位载波调制解调算法[J]. 大气与环境光学学报, 2018, 13(3): 161-169.

HAO Qi-Long, SHAO Shi-Yong, LI Shu-Wang, MEI Hai-Ping, RAO Rui-Zhong. Phase Generated Carrier Modulation and Demodulation Algorithm of Interferometric Optic Fiber Sensor[J]. Journal of Atmospheric and Environmental Optics, 2018, 13(3): 161-169.

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干涉型光纤传感的相位载波调制解调算法

Phase Generated Carrier Modulation and Demodulation Algorithm of Interferometric Optic Fiber Sensor

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