摘要
基于磁梯度张量的磁异常定位技术正逐渐成为磁异常探测领域内的研究热点。在磁偶极子模型条件下,利用磁梯度张量实现了一种使用八个磁传感器组成测量阵列的单点磁异常目标定位方法,针对定位可行性与约束条件进行了原理分析与技术论证。仿真结果表明该方法具有较高的定位精度,并且指出影响该方法定位有效性和精度的关键在于参数k的确定,对增强基于磁梯度张量的磁异常探测技术实用性具有一定指导意义。
Geomagnetic anomaly localization based on magnetic gradient tensor becomes more and more important for magnetic detection.On the condition of magnetic dipole model,a measurement array of eight magnetometers with measuring magnetic gradient tensor was used for geomagnetic anomaly localization.The feasibility and restriction of the method were analyzed and discussed.Simulation result shows the high accuracy of the proposed method.In addition,a conclusion is get,that is,the key factor influencing effectiveness and accuracy is parameter k.It is a useful way for magnetic detection based on magnetic tensor.
出处
《传感技术学报》
CAS
CSCD
北大核心
2012年第8期1088-1092,共5页
Chinese Journal of Sensors and Actuators
基金
国家自然科学基金项目(E051202)
三轴一体化磁力线聚集调制GMR磁传感器关键技术研究项目(51175507)
关键词
磁异常定位
磁梯度张量
磁偶极子
测量阵列
geomagnetic anomaly localization
magnetic tensor
magnetic dipole
measurement array
