磁偏角

磁偏角前兆特征与时间震级经验方程

The Precursory Characteristics of Magnetic Declination and Its Time-magnitude Empirical Equation

蒙城地震台地磁偏角分量趋势性变化分析研究

Analysis and researches of the trend variation of magnetic declination component on Mengcheng Station

FHD磁力仪分量线圈装置误差对磁偏角观测的影响分析

Study on the influence of the directional error of the vector coil on the declination of FHD vector proton precession magnetometer

从无人机（UnmannedAerialVehicle，UAV）皮托-静压管测风对磁偏角的敏感性出发，借助无人机皮托-静压管测风原理和误差理论，建立了磁偏角对测风影响的风速误差数学模型；

Based on the research on sensitivity of geomagnetic declination on wind measurement by UAV ( unmanned aerial vehicle ) with Pitot-static tube , mathematical model of wind speed error to effect of geomagnetic declination is set up in virtue of wind measurement theory and error theory .

光隔离器法拉第旋光材料磁偏角的测量

Measurement of Magnetic Dip for Faraday Rotatory Material of Optical Isolator

拉萨地磁台磁偏角（D）基线值计算方法的讨论

Calculation method of base-line values of declination in Lhasa geomagnetic observatory

一种利用磁偏角地磁图自动计算磁偏角的方法

A method of automatically computing magnetic declination via the geomagnetic declination map

磁偏角基准维持系统的建立

The Establishing of Magnetic Deviation Standard Test System

判别磁异常性质的一种新方法&磁偏角磁倾角法

A new method to judge magnetic anomaly nature

图幅磁偏角自动计算的原理和方法

The Principle of Computing Map Magnetic Declinations

地震仪器定向与磁偏角

Seismic instrument orientation and magnetic declination

该方法以磁偏角和磁倾角作为匹配参数进行图匹配，获取粗位置信息；

The scheme uses geomagnetic declination and geomagnetic inclination as matching parameters to acquire rough position .

蒙城台磁偏角非正常变化与地震前兆异常的分析与研究

Study and Analysis on Abnormal Changes in Magnetic Declination and Earthquake Precursory Anomaly at Mengcheng Magnetic Station

在地球表面上连结具有相同磁偏角各点的一条联线。

An imaginary line connecting points on the Earth 's surface where the magnetic declination is the same .

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。

This paper describes the principle of computing map magnetic declinations , a new method of computing MMD is presented .

磁偏角（D）的水平梯度不仅随纬度变化，而且随经度变化。

The horizontal gradient of the declination ( D ) varies not only with latitude , but also with longitude .

在不同地点所观测到的这两个极位置之间的差异度数，被称为磁偏角。

The degree of difference between the positions of these two poles when seen at various locations is called magnetic declination .

同时，也给出了中国各海域代表性地区磁偏角改正值。

And finally , the magnetic corrected ( values ) of characteristic areas of the sea waters in China is presented .

结果表明，上述三区古地磁场的磁偏角、磁倾角、虚地磁极迁移以及相对强度既存在各自的局部特性，又有着共同的整体特征。

The paleomagnetic declination , inclination , VGP and relative intensity of three regions represent both individual features and features in common .

因此，文中提出了一种利用磁偏角地磁图基于二维拉格朗日插值多项式的磁偏角自动计算方法，并详细论述了其原理。

So , a method of automatically computing magnetic declination based on 2D Lagrange interpolation via the geomagnetic declination map is presented .

作者指出了要实现磁偏角自动修正程序移植要解决的问题以及解决这一问题的途径。

The problems to be solved in transplanting the automatic modification program of magnetic variation and the methods for solving them are discussed .

蒙城地磁台相对观测磁偏角自2003年8月起，变化较大。

From August , 2003 , the changes in magnetic declination of relative observation are large than that before at Mengcheng magnetic station .

最后，针对国内中短程飞机的飞行特点，探讨了用简便方法实现磁偏角自动修正的可能性。

The possibility of accomplishing the automatic modification of magnetic variation in a simple way is analysed for the medium-range and short-range aircraft in our country .

而且磁偏角会影响到四个季节的垂直上升漂移速度的变化，所以也会造成在其相对应的季节有不同的不规则体的产升机率。

Furthermore , we found the magnetic declination affects the vertical drifts , and it leads to a better correlation with the irregularity occurrence with the vertical drifts for all seasons .

由于岩矿体剩余磁化强度与感应磁化强度的差异导致岩矿磁异常差异及磁偏角、磁倾角的不同，根据这一特征来判别异常性质。

Rock and ore body are different in their remanent magnetization and induced magnetization leading to different anomaly and different magnetic declination and magnetic inclination Therefore the difference can be used to judge the anomaly natures .

北宋著名科学家沈括（《梦溪笔谈》著者），在制作和应用指南针的科学实践中发现了磁偏角的存在。

The famous saentist Shen Kuo ( the author of Dream Creek Notes ) of the Northern Song Dynasty discovered the existence of magnetic declination ( the angu-lar devicrtion of a compass needle from true north ) ,