地磁导航发展与关键技术

Key Technique and Development for Geomagnetic Navigation

地磁导航技术作为一种无源自主导航方法,具有抗干扰能力强、无积累误差和精度适中的优点。本文简述了地磁场理论,回顾了地磁导航技术的研究历程,综合分析了地磁导航技术采用的导航算法,指出了制约地磁导航技术发展的三大关键技术和当前的研究动向,最后对地磁导航技术未来的发展和应用做了展望。

As a passive autonomous navigation technique, geomagnetic navigation method has advantages of strong anti-jamming, low cost and moderate navigation accuracy. In this paper, the geomagnetic theory is introduced briefly, the research history of geomagnetic navigation is reviewed, and the navigation algorithms applied in geomagnetic navigation are summarized. This paper also points out the key technique and research trend in development of geomagnetic navigation. Finally, it forecasts development and application of the geomagnetic navigation in the future.