基于FlightGear的航磁数据仿真平台

An aeromagnetic data simulation platform based on FlightGear

本文设计并实现了一种基于FlightGear模拟飞行软件的航磁数据仿真平台,可用于生成航磁探测数据并验证航磁干扰补偿算法和航磁异常检测算法。该平台首先利用FlightGear模拟飞行软件以生成飞机的飞行姿态数据和位置数据,在此基础上利用WMM2015模型计算地磁场数据,并根据电磁学基本原理计算飞机产生的干扰磁场,将2种仿真磁场数据进行融合从而得到机载磁力仪输出数据。测试结果说明了该航磁数据仿真平台的有效性。该航磁数据仿真平台对于航磁干扰补偿和航磁异常信号检测算法的研究具有重要意义。

An aeromagnetic data simulation platform is designed and implemented in this paper.It can be used to verify the aeromagnetic interference compensation methods and the aeromagnetic anomaly detection methods.The platform utilizes the flight simulator FlightGear to generate the motion attitude data and the position data of the aircraft.On this basis,the geomagnetic field data is generated with the WMM 2015 model,and the magnetic interference caused by the aircraft is calculated with the basic electromagnetic principle.The two simulated magnetic field data will be merged to generate the simulated output of the airborne magnetometer.Test results demonstrate the effectiveness of the simulation platform,as well as its significance for the research of the aeromagnetic interference compensation methods and the aeromagnetic anomaly detection methods.