1) magnetic declination
磁偏角
1.
The rule of variation of residual paleomagnetic declination by the drift of lithospheric plate.;
岩石圈板块漂移引起岩石古剩磁偏角变化规律
2.
Because there is no orientation line in many seismic stations, people has to use the compass to find the earth’s north orientation and use the magnetic declination to correct the result.
在安装地震仪器时,方位精度要求到6′,而在许多台站的摆房里预先没有划好方位线,故不得不借助罗盘定向,且必须用磁偏角修正。
3.
<Abstrcat>From August, 2003, the changes in magnetic declination of relative observation are large than that before at Mengcheng magnetic station.
蒙城地磁台相对观测磁偏角自2003年8月起,变化较大。
2) geomagnetic declination
磁偏角
1.
A method of automatically computing magnetic declination via the geomagnetic declination map;
一种利用磁偏角地磁图自动计算磁偏角的方法
2.
The scheme uses geomagnetic declination and geomagnetic inclination as matching parameters to acquire rough position.
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。
3.
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.
从无人机(unmanned aerial vehicle,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;通过仿真,分析了磁偏角对风速测量的影响和误差变化规律,并通过试验数据验证了仿真结论,为磁偏角的校正,提高风速测量精度提供了参考依据。
3) obliquity in magnetic field
磁场偏角
4) geomagnetism declination angle
地磁偏角
5) declination D
磁偏角D
6) declination of magnetic needle
磁针偏角
补充资料：磁偏角
| 磁偏角 geomagnetic declination 地球表面任一点的磁子午圈同地理子午圈的夹角。因指南针、磁罗盘是测定磁偏角最简单的装置，所以磁偏角的发现和测定的历史也很早。1702年，英国E.哈雷发表了第一幅大西洋磁偏角等值线图。根据规定，磁针指北极N向东偏则磁偏角为正，向西偏则磁偏角为负。
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参考词条