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第 42 卷 第 4 期 畅楠琪等: 光纤水听器相位生成载波解调非线性因素的抑制方法 813
[8] 张爱玲, 王恺晗, 郝彬, 等. 干涉型光纤传感器 PGC 解调算法
3 结论 的研究 [J]. 光电技术应用, 2013, 28(6): 49–52, 86.
Zhang Ailing, Wang Kaihan, Hao Bin, et al. Research
针对非线性因素和低通滤波器的频响特性对 on PGC demodulation algorithm of interference fiber sen-
PGC-DCM 解调结果的影响,本文提出了一种基 sor[J]. Electro-Optic Technology Application, 2013, 28(6):
49–52, 86.
于椭圆参数估计的 PGC-DCM 解调方法。经过计
[9] 崔杰, 刘亭亭, 肖灵. 干涉型光纤水听器 PGC 解调的参数估
算机仿真和实验验证,本文所提出的 EKF-DCM 方 计方法 [J]. 应用声学, 2017, 36(5): 409–416.
法能够较好地抑制非线性因素所引起的 PGC 解调 Cui Jie, Liu Tingting, Xiao Ling. Estimation of param-
eters for PGC demodulation in interferometric fiber hy-
结果中的波形畸变,抑制解调结果时频谱中的低
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频干扰和谐波失真,性能相比传统的 PGC-DCM 409–416.
方法有了明显的提高。同时,本文所提出的 EKF- [10] 严利平, 周春宇, 谢建东, 等. 基于卡尔曼滤波的 PGC 解调非
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响也要明显小于 PGC-DCM 方法。本文所提出的 error compensation method for PGC demodulation based
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