卫星上的永久磁铁获取所需的地磁力矩，稳定偏航姿态。
Geomagnetic torque for yaw stabilization is provided by permanent magnet on the satellite.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
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