1) magnetic variation
磁性变化，磁偏角
2) Magnetic declination variometers
磁偏角磁变仪
4) 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。
5) 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。
6) obliquity in magnetic field
磁场偏角
补充资料：太阳视频磁像仪
用电视摄像管作为探测器的一种太阳磁像仪。光学系统是采用窄带滤光器的望远镜。测量横向磁场时滤光器透过带调节到磁场敏感谱线的线翼或线心。滤光器前安置偏振光分析器。摄像管接收到的调制信号输入计算机进行处理。测量结果可在荧光屏上实时显示为磁图,也可记录在磁带上。澳大利亚库尔古拉天文台的视频磁像仪采用干涉滤光器，能以0.3秒的曝光时间,拍到一张磁图，其空间分辨率约为2″。视频磁像仪能以较高速度记录和显示磁场，特别适宜于研究日面快速变化的磁场现象，但受摄像管性能限制，测量精度较低。现有的视频磁像仪大都限于测量纵向磁场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条