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Digital demodulation technique for fiber-optic hydrophones based on 3×3 couplers 被引量：1

Digital demodulation technique for fiber-optic hydrophones based on 3×3 couplers
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摘要 In this paper,a digitized real-time demodulation system for optical hydrophones based on a 3×3 coupler is proposed.The system is built as a virtual instrument via the dynamic data acquisition platform from NI company.Compared with the commonly used systems composed of analogue circuits,the proposed system has better accuracy and is more flexible in applications.The error analysis of the proposed system is also given. In this paper, a digitized real-time demodulation system for optical hydrophones based on a 3 × 3 coupler is proposed. The system is built as a virtual instrument via the dynamic data acquisition platform from NI company. Compared with the commonly used systems composed of analogue circuits, the proposed system has better accuracy and is more flexible in applications. The error analysis of the proposed system is also given.
作者 陈宇 陈德胜
机构地区 Institute of Acoustics
出处 《Optoelectronics Letters》 EI 2010年第2期124-128,共5页 光电子快报（英文版）
关键词 光纤水听器 耦合器 解调技术 解调系统 数据采集平台 虚拟仪器 NI公司 模拟电路
分类号 TN622 [电子电信—电路与系统]
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参考文献12

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同被引文献14

  • 1乔学光,丁锋,贾振安,葛朋,邬华春,刘志愿.一种基于ASE光源的边缘滤波解调技术的研究[J].光电子．激光,2009,20(9):1170-1173. 被引量：13
  • 2赵立民,李秋凤,秦天鹤.基于电磁铁的光纤Bragg光栅电流检测系统[J].光电子．激光,2006,17(6):697-699. 被引量：6
  • 3Robert B Walker, Ping Lu, Stephen J. Mihailov, etal. Improved FBG polarimeter design evaluated using VCM extension to Elliptical Polarization [J]. Lightwave Technology, 2010,3 ( 5 ) :0342-0345.
  • 4Kin Seng Chiang, Ramesh Kancheti, Vipul Rastogi, etal. Temperature-compensated fiber-Bragg-grating based magnetostrictive sensor for dc and ac currents[J].Opt. Eng., 2003,42 (7) : 1906-1909.
  • 5Perez-Millan P, Diez A, Cruz J L,et al. Passive compensation of the thermal drift of magnetostriction based Q-switched fiber lasers[J]. Optics Communications,2009,282: 621-624.
  • 6Fusiek G,Niewczas P,McDonald J R ,et al. Concept level evaluation of the optical voltage and current sensors and an arrayed waveguide grating for aero-electrical systems applications[J]. Instrumentation and Measurement, 2007,10 (5) 665- 668.
  • 7Dziuda L,Niewczas P, Fusiek G,et al. Hybrid fiber-optic voltage sensor for remote monitoring of electrical submersible pump motors [J]. Optical Engineering, 2005, 44 ( 6 ) : 2440- 2443.
  • 8XIONG Yan-ling,ZHAO Hong. FBG power transformer based on demodulate[A]. Proceeding of the 9th International Conference on Properties and Applications of Dielectric Materials[C]. 2009,101-104.
  • 9Fusiek G,Niewczas P. Concept level evaluation of the optical voltage and current sensors and an arrayed waveguide grating for aero-electrical systems" applications[A]. Proc. of Instrument and Measurement Technology Conference[C]. 2007,1-4.
  • 10乔学光,陈懿,贾振安.基于双光纤光栅温度压力同时区分测量的研究[J].光电子．激光,2010,21(1):12-14. 被引量：26

引证文献1

二级引证文献12

Optoelectronics Letters
2010年 第2期

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