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介绍了利用地磁场实现无源导航及导引的技术途径及可能性.主要是利用核心器件微磁传感器的特性研制导航及导引所用的磁通门传感器、磁强计和磁罗盘等.介绍了国内外新型巨磁阻抗非晶丝传感器的基本原理及其发展情况并分析比较了几种微磁传感器的性能和特点,分析了达到制导精度所要求的微磁传感器的分辨率和数据采样的速率.描述了地磁匹配制导技术的途径和方法,给出了地磁场的参考模型以及每个点地磁参数的计算方法.介绍了微磁传感器在近炸引信方面的应用.最后描述了微磁传感器在无源导航及导引技术中的应用前景.
Introduced the use of geomagnetic field to achieve passive navigation and guidance of the technical ways and possibilities.Mainly the use of core device characteristics of micro-magnetic sensors for navigation and guidance used in the fluxgate sensor, magnetometer and magnetic compass. The basic principle and development of new giant magnetoresistive amorphous wire sensors at home and abroad are analyzed and compared. The performance and characteristics of several micro-magnetic sensors are analyzed and compared. The resolution and data sampling of micro-magnetic sensors required to achieve guidance accuracy are analyzed The paper describes the ways and methods of geomagnetic matching guidance technology and gives the reference model of geomagnetic field and the calculation method of geomagnetic parameters at each point.The application of micro-magnetic sensors in near-fuze is introduced.Finally, the micro-magnetic sensors Application prospect in passive navigation and guidance technology.