物探与化探2024，Vol.48Issue(6)：1455-1462,8.DOI:10.11720/wtyht.2024.0155
海上拖曳式地磁矢量测量系统研制及海试
Development and sea trials of a marine towed geomagnetic vector measurement system
摘要
Abstract
The geomagnetic field is a vector field in space.However,traditional marine magnetic surveys focus on geomagnetic field in-tensity,failing to fully acquire and utilize rich information about the geomagnetic vector field.Given this,this study developed a towed marine geomagnetic vector measurement system.This system was designed to operate in dynamic marine conditions and ultimately ac-quire geomagnetic vector field data within the geographical coordinate system.Through sea trials of the system,grid line and repeat line measurements were obtained.After preprocessing the collected data,the measurement accuracy of repeat lines and crosspoints was bet-ter than 6.7 nT and 6 nT,respectively.The results of the sea test indicate that the measurement system has the preliminary ability to measure the geomagnetic vector field at sea,and it can be applied to geomagnetic field measurement tasks near or far sea,obtaining richer geomagnetic field information.关键词
海洋地磁测量/矢量场/磁通门传感器/测量系统/海上试验Key words
marine magnetic survey/vector field/Fluxgate sensor/measurement system/sea trial分类
海洋科学引用本文复制引用
罗建刚,李海虎,刘静晓,李海兵,郭子伟,孙宁,付碧波,张峰,李学砚..海上拖曳式地磁矢量测量系统研制及海试[J].物探与化探,2024,48(6):1455-1462,8.基金项目
自然资源部海洋环境探测技术与应用重点实验室开放基金课题(MESTA-2022-A005) （MESTA-2022-A005）
崂山实验室科技创新项目(LSKJ202200100) （LSKJ202200100）
中国地质调查局项目"无人机航磁测量系统技术升级迭代"(DD20230071) （DD20230071）
