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知道地球磁场的single dipole moment Mx, Mz,My如何求 相交的位置3 P* @8 B7 D" r7 g, ^5 c3 I/ B
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& X- ] p! m% B4 W! x# P+ B3 A( ?: `(2) The Earth’s main magnetic field at the surface (radius = 6371 km) can be approximated by a single dipole moment at the Earth's centre with the following (x,y,z) components:( a% W+ b8 ?* |
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mz = -7.7 x 1022 A m2, mx = -0.479 x 1022 A m2, my = 1.399 x 1022 A m2.) q( y9 G- G/ M' ?# W
3 G0 T( q; s0 q' V5 m) CCalculate the location (latitude, longitude) where the axis of this dipole field intersects the Earth's surface (i.e. where the magnetic field is locally purely vertical and upward).( {: d; U) e* W1 O$ Q3 F
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发表于 2012-4-2 21:27
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