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

doi:10.3969/j.issn.1000-1093.2019.03.016

Abstract

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

CLC Number:

P738.3

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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第40卷
第3期2019 年3月兵工学报ACTA
ARMAMENTARIIVol.40No.3Mar.2019

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