中文摘要：

针对基于单一地磁特征参数进行区域选取容易出现评价结果不全面的缺陷,提出了多特征参数融合的地磁匹配区选取方法。该方法结合信息熵和投影寻踪理论,综合考虑地磁标准差、粗糙度、相关系数和地磁熵等反映特定区域内地磁的总体起伏、光滑度、相关性强弱和信息量多少的地磁特征参数对匹配区的影响,建立了基于投影寻踪的地磁匹配区选取模型,利用遗传算法求解出最优投影方向,给出区域总的评价指数。利用文中提出的方法在选定区域进行了仿真试验,仿真结果表明,针对ICCP算法,在总评价指标高的区域进行地磁辅助导航,其匹配误差较小。

英文摘要：

A multi-characteristic parameters fusion selection method combining information entropy with project pursuit theory is presented in view of the disadvantage of one-sided appraisal for the selection method based on single geomagnetic characteristic parameter.The effects of geomagnetic characteristic parameters such as standard deviation,roughness,correlation and entropy which reflect respectively the geomagnetism global wave,smoothness,degree of correlation and amount of information on matching region selection are considered comprehensively.A geomagnetic matching selection model based on projecting pursuit is established,the best projection direction is solved by using a genetic algorithm,and then a total evaluation indicator is given.Simulation tests are done by using the proposed method in selected areas;Simulation results indicate that the matching error is smaller for geomagnetism aided navigation in the area of high evaluation indicator.