一种快速追踪磁异常的方法,使用基于遗传算法的分布式Overhauser磁力计系统
Wang Luo1,2,3,4, Jian Ge1,2,3, Huan Liu1,2,3
1School of Automation, China University of Geosciences, Wuhan 430074, China.
The Review of scientific instruments
|October 20, 2023
概括
这项研究引入了一种快速的磁异常跟踪方法,使用分布式Overhauser磁力计系统和遗传算法. 该系统准确地检测到移动的铁磁物体及其速度,并以最小的误差进行检测.
科学领域:
- 地质物理学 地质物理学
- 信号处理 信号处理
背景情况:
- 磁异常检测对于跟踪移动目标至关重要.
- 现有方法可能面临背景干扰和数据处理效率方面的挑战.
研究的目的:
- 为展示磁性异常的快速追踪方法.
- 使用分布式Overhauser磁力计系统与遗传算法相结合.
主要方法:
- 采用一个分布式的Overhauser磁力计系统与多个传感器,以减轻背景干扰.
- 应用遗传算法,有效地处理磁异常数据,而无需客观函数导出.
- 在自然户外环境中进行系统评估的建筑测试平台.
主要成果:
- 达到磁力计噪声水平低于0.134 nT.
- 通过模拟优化基因算法因子,以提高通过模拟的精度和有效性.
- 证明了移动铁磁物体的准确和快速检测,最大定位误差为6.9% (0.55米).
- 实现了对物体速度的高跟踪精度,最大误差为5.88% (4.33公里/小时).
结论:
- 拟议的分布式Overhauser磁力计系统和遗传算法为快速磁异常跟踪提供了有效的解决方案.
- 该方法为户外环境中移动的铁磁目标提供了准确的定位和速度估计.
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