The data of IGRF (International geomagnetic Reference Field) are widely used in the geomagnetic basic investigations.

(国际地磁参考场)资料在地磁学的基础研究中得到广泛的应用。

youdao

In this paper we have developed a program for three dimensional ray tracing of whistler-mode waves in which the IGRF model was adopted.

本文给出了采用IGRF模型的哨声模波三维射线跟踪方程，并概述了射线跟踪模型及数值计算程序。

youdao

In addition, a brief description of the development of the IGRF, the global geomagnetic charts at 1990, accuracy and use of the IGRF are included in...

另外，简单介绍了第六代国际地磁参考场、1990年世界地磁图、国际地磁参考场的精度和使用。

youdao