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本文给出了在地磁场中测量卫星磁矩的环境磁场作图法。通过采用原位和斜置(或倒置)的重复测量、对测量探头和参考探头的输出作差值处理、使探头沿地磁场东西取向和试验体转置90°以保持它与探头的相对高斯态不变等方法,较好地解决了在地磁场中磁测碰到的两个主要技术难题:分离永磁矩和感磁矩,有效地抑制地磁场的噪声。并由试验表明,对于磁矩在500 mA-m~2以上的卫星,由该法给出的测量相对误差不大于10％。
In this paper, we present an environmental magnetic field mapping method of measuring satellite magnetic moment in geomagnetic field. The difference between the output of the measuring probe and the reference probe is processed by using in-situ and oblique (or inverted) repetitive measurements to orient the probe along the earth’s magnetic field and the test body to 90 ° to maintain its relative Gaussian State of the same method, a better solution to the magnetic in the magnetic field met two major technical problems encountered: the separation of permanent magnetic moment and magnetic moment, effectively inhibiting the noise of the geomagnetic field. Experiments show that the relative error of measurement given by this method is not more than 10% for satellites with magnetic moment above 500 mA-m ~ 2.