Design of double Sigmoid function adaptive denoising and network transmission system based on FOCT

WU Hua-ming; LIU Xian-shuang; SUN Xue-yong; ZHU Jun; FU Jian-ping

doi:10.13873/j.1000-9787(2018)11-0121-03

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Design of double Sigmoid function adaptive denoising and network transmission system based on FOCT

更新时间：2025-09-11

- Design of double Sigmoid function adaptive denoising and network transmission system based on FOCT
- Vol. 37, Issue 11, Pages: 121-123+127(2018)
- 作者机构：
  
  1. 南昌航空大学测试与光电工程学院江西省光电检测技术工程实验室
  2. 江西省电力设计院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2018)11-0121-03
  CLC： TM452
- Published：2018
- 稿件说明：
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[1]吴华明,刘宪爽,孙学勇,朱俊,傅建平.FOCT双Sigmoid函数自适应去噪及网络传输系统设计[J].传感器与微系统,2018,37(11):121-123+127.

WU Hua-ming, LIU Xian-shuang, SUN Xue-yong, et al. Design of double Sigmoid function adaptive denoising and network transmission system based on FOCT[J]. 2018, 37(11): 121-123+127.
[1]吴华明,刘宪爽,孙学勇,朱俊,傅建平.FOCT双Sigmoid函数自适应去噪及网络传输系统设计[J].传感器与微系统,2018,37(11):121-123+127. DOI： 10.13873/j.1000-9787(2018)11-0121-03.

WU Hua-ming, LIU Xian-shuang, SUN Xue-yong, et al. Design of double Sigmoid function adaptive denoising and network transmission system based on FOCT[J]. 2018, 37(11): 121-123+127. DOI： 10.13873/j.1000-9787(2018)11-0121-03.

摘要

为了提高光纤电流互感器（FOCT）输出信号的信噪比（SNR）

针对FOCT输出信号的特征

提出一种改进的双Sigmoid函数变步长自适应算法

并利用ActiveX技术设计了一种自适应去噪及网络传输系统。通过设计的系统

将所提出的算法与现有的一种变步长自适应算法进行了对比分析

结果表明:提出的算法获得的抗噪声干扰能力更强

测量准确度更高。利用LabVIEW的TCP/IP开发工具包实现了数据的网络通信

满足了高压电网测量的实际工程所需。

Abstract

In order to improve the signal to noise radio（SNR） of the output signal of the fiber-optic current transformer（FOCT）

an improved double Sigmoid function variable step size adaptive algorithm aiming at characteristics of FOCT output signal is proposed

and a kind of adaptive denoising and network transmission system is designed by using ActiveX technology. Through the system

compare this algorithm with an existing variable step size adaptive algorithm

and analyze. The results show that this algorithm has stronger capability of anti-noise interference and higher measurement accuracy. Network communication of data is realized by using LabVIEW development kit of TCP/IP

which meets practical need of high voltage power grid measurement.

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Related Institution

Department of Electrical and Computer Engineering,West Branch,Zhejiang University of Technology

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