世界地磁场模型EMM2010及其应用

World magnetic model EMM2010 and its application

本文主要介绍了世界地磁场模型EMM2010及其子模型NDGC-720,采用了实测值和计算值比对、不同条件下的实验数据来验证模型的精度、算法和程序的准确性的方法,并在MATLAB下进行仿真实验.结果表明,两模型具有很高的计算精度,适合大区域长时间的磁场变化趋势的预测,而在小区域的精确匹配上则有其内在的局限性.

The report mainly introduces World Magnetic Model EMM2010 and submodel NDGC-720.Adopting the contrast measured value and calculated value,experimental date of the different condition validate precision,arithmetic and veracity of procedure and simulate by MATLAB.The result indicate that the two model have fine calculated precision,suit forecast about the magnetic field changed current of the big range and the long time,but it has limits of itself in exactitude match of the small range.