摘要
详细论述了磁偏角自动计算的原理 ,并提出了一种利用地磁图自动计算图幅磁偏角的新方法。实验表明 。
This paper describes the principle of computing map magnetic declinations, a new method of computing MMD is presented. It is indicated by experiments that computing MMD by using digital magnetic declination model and digital model of annual change is feasible.
出处
《测绘学院学报》
北大核心
2002年第2期122-123,127,共3页
Journal of Institute of Surveying and Mapping
关键词
图幅磁偏角
磁偏角数字模型
年变率数字模型
map magnetic declination
digital magnetic declination model
digital model of annual change
