介绍了dIdD矢量磁力仪的基本原理和野外地磁测量的基本情况,分析了使用dIdD磁力仪进行日变改正的方法,通过野外观测数据的实际验证得到了很好的效果,认为该磁力仪作为日变监测型仪器具有广阔的应用前景。
The principal of dIdD vector magnetometer and the instance of field geomagnetism measurement is introduced in this paper.We analyze the method of magnetic daily variation correction by dIdD magnetometer,and get a good result by using the field metrical data.The magnetometer has good foreground for a magnetic daily variation instrument.