介绍了地磁场模型误差的主要来源。
The main error sources in the geomagnetic field model were introduced, too.
国际地磁参考场与局部地磁场模型的研究，具有深远的学科意义与巨大的实用价值。
The researches on international geomagnetic reference field model and regional geomagnetic field model have profound scientific significance and are of great practical value.
国际地磁参考场与局部地磁场模型的研究，具有深远的学科意义与巨大的实用价值。
The electric current passing through the conductor on the film of bubble generates a local magnetic field gradient to make the bubble propagate.
针对性对地磁辅助导航定位中基准图制备的需要，采用了建立区域地磁场模型的方法。
The method of regional geomagnetic field modeling is adopted in order to prepare for the reference map of geomagnetism-aided navigation and positioning.
用国际参考地磁场模型（IGRF）分析了地磁场能量在地球内部的分布及其长期变化。
The eighth generation of the International Geomagnetic Reference Filed (IGRF)is used to study distribution of geomagnetic energy in the Earths interior and its secular variations.
针对现有地磁场模型精度偏低、模型边界效应等问题，深入分析了传统补充国际地磁参考场值的缺陷。
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.
利用第10代国际参考地磁场模型(IGRF)的资料，研究了地磁位的谐波振幅的纬度分布及其时间变化。
Using the 10th International geomagnetic Reference Field (IGRF) models, the latitudinal distribution of harmonic amplitude and its time-variation of geomagnetic potential are investigated.
利用地磁场模型资料，计算和分析了公元0 ~ 2000年的地磁场偶极子磁矩和地磁北极位置的长期变化。
With geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic North Pole during the year 0 ~ 2000 a.
利用物理摆原理导出了自动安平水准仪磁致误差的理论函数模型，建立了地磁场中的观测方程。
Based on the theory of horizontal pendulum, the theoretical function model of magnetic error of self adjusting level is deriveted, and observation equation in geomagnetic field is set up.
数学模型不能完全代替真实的空间地磁场。
Mathematical models can not fully replace real space magnetic.
利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
应用推荐