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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0 {4 J+ f! s5 ^; D& u$ e
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(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:+ ^6 s6 [. s& W5 c
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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.+ l( s" N. \; A
4 x$ y8 o& I& s( w5 Z H; kCalculate 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).4 S) i4 T- U+ |+ L4 K
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发表于 2012-4-2 21:27
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