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。
To solve attitude measurement problem of the gun-launched cruise projectile under high over load, a precision measurement method was proposed, based on geomagnetic field.
针对高过载下炮射巡飞弹姿态难以测量的问题，提出了基于地磁场的姿态测量方法。
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。
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