geomagnetic field
[地物] 地磁场,地球磁场
2026-05-06 08:47 浏览次数 19
[地物] 地磁场,地球磁场
1. a conventionalized symmetrical approximation of the earth's magnetic field having one diameter of the earth as its axis
geomagnetic main field地球基本磁场
geomagnetic chart field disturbance地磁场扰动
geomagnetic spiral field地磁螺旋场
geomagnetic dipole field地球偶极子磁场
International geomagnetic reference field国际地磁参考场
Geomagnetic total field地磁总场
terrestrial magnetic field地磁场
geomagnetic reference field models地磁场模型
geomagnetic chart field effect地磁场效应
geomagnetic residual field地磁剩余场
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。
the measurement of horizontal component of the geomagnetic field occupies the important position in a lot of fields.
地磁场水平分量的测量在很多领域占重要地位。
the oceanic crust thus serves as a magnetic tape recording of the history of the geomagnetic field that can be dated independently;
这样海洋壳就扮演了磁带的角色,记录下可以鑒定时 间的地磁场的历史。
in this paper, based on the spherical harmonic model of the geomagnetic field, the spherical harmonic expressions of the vertical gradient of the geomagnetic field are given.
根据地磁场的球谐模型,推导出地磁场各个分量垂直梯度的球谐表达式。
as research and application of the geomagnetism go on, the existing measuring methods of geomagnetic field have shown some limitations.
随着对地磁场研究和应用的深入,现有的地球磁场测量手段已经暴露出一些局限性。
the method of regional geomagnetic field modeling is adopted in order to prepare for the reference map of geomagnetism-aided navigation and positioning.
针对性对地磁辅助导航定位中基準图制备的需要,采用了建立区域地磁场模型的方法。
three dimentional model of geomagnetic field has been obtained for china and its neighbouring region toy using rectangular harmonic analysis (eha).
本文用矩谐分析方法得到了中国及邻近地区地磁场的三维模型。
the interference of carrier magnetic field to geomagnetic field has been a difficult problem for a long time, which has influence on navigation compass deviation and geomagnetic measurement.
载体磁场对地磁场的干扰,一直是影响导航罗差、地磁测量的技术难题。
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。
a major discovery unfolded over the past five years as it became possible for scientists to compare accurate maps of the geomagnetic field taken 20 years apart.
过去五年里,由于科学家终于能够比对相隔20年所观测到地球磁场的準确分布,因而有了重大发现。
the scientist revealed that the geomagnetic field surrounding the planet was one of the primary influences of the entire biosphere.
科学家揭露,围绕地球的地磁场是整个生物圈的主要影响之一。
since the geomagnetic field varies periodically on orbit, the dynamics of satellite is a linear periodic system.
由于地磁场的方向在轨道上周期变化,卫星的姿态动力学方程是一个线性周期系统。
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.
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。
the governing equation, its boundary conditions and computing method for the electrical field induced by seawater flow around axis-symmetric body through geomagnetic field have been developed.
给出了描写地磁场中海水绕回转体流动诱导的电场的基本方程、边界条件及其计算方法。
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.
利用物理摆原理导出了自动安平水準仪磁致误差的理论函数模型,建立了地磁场中的观测方程。
the electric field can transfer to f2 region along the geomagnetic field line and by means of the fountain effect it can results in the pso of the equatorial anomaly.
电场沿磁力线传到f_2层,通过「喷泉效应」引起电离层赤道异常的行星波振蕩。
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 natural geomagnetic field varies over the earth’s surface between about 0.035 - 0.07 mt and is perceived by certain animals that use it for orientation.
地球表面的天然地磁场幅度在0.035-0.07mt之间不等,它可被某些动物察觉,用其指导方向。
using the short-period conversion function and extracting local anomaly from the geomagnetic field, we have re-studied the variation of the geomagnetic field before and after the heze 5.9 earthquake.
本文使用地磁短周期转换函数和提取地磁局部异常的方法,对菏泽5.9级地震前后地磁场的变化进行了再研究。
weak magnetic signal changes and metal magnetic memory effects of steel tensile samples under the excitation of geomagnetic field were studied.
研究地磁场环境中钢试件在动拉伸载荷作用下表面弱磁信号的变化以及磁记忆效应。