Is the "Third microseisms" related with the geomagneticeffect of Linfa and other three typhoons?
莲花等三台风的地磁效应与“第三类脉动”有关吗？
2
As one of the important components of the GAN, the geomagnetic map matching method (GMMM) is an important factor to effect the precision of the system positioning.
地磁图匹配算法作为地磁辅助惯性导航系统的重要组成部分，是影响系统定位精度的一个重要因素。
3
Taking aim at lower precision and boundary effect of the current region geomagnetic field model, the shortage of appending the IGRF data to the regional boundary was analyzed deeply.