基于 VMD-ICA 的新型海洋勘探 OBE 磁干扰补偿方法

IF 4.3 2区 综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Huihui Luo;Qingfa Du;Jiafei Hu;Shilong Shi;Chengxiu Yang;Qi Zhang;Mengchun Pan
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引用次数: 0

摘要

海洋磁信息是海洋工程的关键要素。基于各种移动载体的磁探测技术发展迅速,但载体磁干扰严重影响了磁探测精度。因此,磁干扰补偿在海洋探测中起着至关重要的作用。传统的补偿方法基于 Tolles-Lawson (T-L) 模型,主要解决机动干扰问题。然而,T-L 模型没有考虑到船上电子设备(OBE)干扰,这严重限制了探测精度。在此,我们提出了一种基于变异模态分解(VMD)和独立分量分析(ICA)的 OBE 磁干扰补偿方法。该方法能有效地减轻来自电子设备的干扰。在分析时频特性的基础上,在 T-L 模型中引入了 OBE 干扰项。此外,VMD-ICA 方法用于从测量信号中同步提取干扰特征,从而促进了改进模型中相关参数的估算。为了验证本文提出的方法,我们对 OBEs 系统进行了仿真,并进行了磁场测量和补偿实验。所提出的方法获得了增强的补偿信号,均方根误差(RMSE)小于 0.02 nT,证明了其在提高海洋磁场探测精度方面的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Novel OBE Magnetic Interference Compensation Method Based on VMD-ICA for Marine Exploration
Marine magnetic information is a key element of marine engineering. The magnetic detection technology based on various moving carriers is developing rapidly, but the carrier magnetic interference seriously affects the magnetic detection accuracy. Therefore, magnetic interference compensation plays a crucial role in marine exploration. Traditional compensation methods are based on the Tolles–Lawson (T–L) model, primarily addressing maneuvering interference. Nevertheless, the T–L model does not account for onboard electronics (OBE) interference, which severely limits the detection accuracy. Herein, we proposed an OBE magnetic interference compensation method based on variational mode decomposition (VMD) and independent component analysis (ICA). This method effectively mitigates interference from electronic devices. Based on the analysis of the time–frequency characteristics, the OBE interference term was introduced into the T–L model. Furthermore, the VMD-ICA method is used to synchronously extract the interference features from the measured signals, thereby facilitating the estimation of relevant parameters within the improved model. To validate the method presented in this article, we conducted simulations of the OBEs system and performed the magnetic field measurement and compensation experiments. The proposed method achieved an enhanced compensation signal with a root-mean-square error (RMSE) of less than 0.02 nT, demonstrating its effectiveness in improving the accuracy of marine magnetic detection.
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来源期刊
IEEE Sensors Journal
IEEE Sensors Journal 工程技术-工程:电子与电气
CiteScore
7.70
自引率
14.00%
发文量
2058
审稿时长
5.2 months
期刊介绍: The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice
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