碳纤维海洋电场电极探测机理和性能研究

doi:10.3969/j.issn.1000-1093.2019.03.016

兵工学报 ›› 2019, Vol. 40 ›› Issue (3): 570-575.doi: 10.3969/j.issn.1000-1093.2019.03.016

碳纤维海洋电场电极探测机理和性能研究

宋玉苏，李红霞，申振，王烨煊

(海军工程大学基础部，湖北武汉 430033)

收稿日期:2018-02-27 修回日期:2018-02-27 上线日期:2019-04-29
作者简介:宋玉苏(1964—)，女，教授，博士生导师。E-mail：13871164652@139.com
基金资助:
海军工程大学自主立项项目(425317Q001)

Research on Detection Mechanism and Performance of Carbon Fiber Electrode for Ocean Electric Field

SONG Yusu， LI Hongxia， SHEN Zhen， WANG Yexuan

(Department of Basic Courses, Naval University of Engineering, Wuhan 430033，Hubei, China)

Received:2018-02-27 Revised:2018-02-27 Online:2019-04-29

摘要/Abstract

摘要： 基于提出的碳纤维电极对海洋电场探测机理模型，通过在信号放大器两端并联放电电阻，提高碳纤维电极对极差的稳定性，同时缩短稳定时间。建立了匀强电场，以评估不同大小的并联电阻对碳纤维电极对探测性能的影响。研究结果表明，输入电阻越小，电极对的极差越小和自噪声稳定越快；电极对极差稳定时间不大于2 h，稳定后的极差不大于0.1 mV，自噪声水平在1 Hz下处于2~5 nV/[KF(]Hz[KF)]之间。

关键词: 碳纤维电极, 海洋电场, 探测机理, 极差, 自噪声

Abstract: A mechanism model of carbon fiber electrode for detecting the ocean electric field is established. Based on the proposed model, the stability of potential difference between carbon fiber electrodes is improved and its settling time is shorten by the parallel discharge resistances at both ends of signal amplifier. An uniform electric field was established to evaluate the influences of different parallel resistances on the detection performance of carbon fiber electrodes. The results show that the smaller the input resistance is, the smaller the potential difference is, and the faster the self-noise settling is. The settling time of potential difference between electrodes is not greater than 2 h, the potential difference after settling is not greater than 0.1 mV, and the self-noise level is in the range of 2-5 nV/[KF(]Hz[KF)] at 1 Hz. Key

Key words: carbonfiberelectrode, oceanelectricfield, detectionmechanism, potentialdifference, self-noise

中图分类号:

P738.3

宋玉苏，李红霞，申振，王烨煊. 碳纤维海洋电场电极探测机理和性能研究[J]. 兵工学报, 2019, 40(3): 570-575.

SONG Yusu， LI Hongxia， SHEN Zhen， WANG Yexuan. Research on Detection Mechanism and Performance of Carbon Fiber Electrode for Ocean Electric Field[J]. Acta Armamentarii, 2019, 40(3): 570-575.

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碳纤维海洋电场电极探测机理和性能研究

Research on Detection Mechanism and Performance of Carbon Fiber Electrode for Ocean Electric Field

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