埃德蒙顿华人社区-Edmonton China

 找回密码
 注册
查看: 1468|回复: 0

[其他] 求助一到地球物理的题

[复制链接]
鲜花(2) 鸡蛋(0)
发表于 2012-4-2 21:27 | 显示全部楼层 |阅读模式
老杨团队,追求完美;客户至上,服务到位!
知道地球磁场的single dipole moment Mx, Mz,My如何求 相交的位置
# R# i3 O9 h) x; Y0 A# ]9 z1 t0 R5 x
1 v6 c+ N/ e% P8 ^; ]
+ w2 f/ O5 I7 k, X/ r" s2 O5 g0 ?  o
(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:
  n3 w& S( d0 `& `% @8 h& G
% h+ X. ?! ~$ L& G  C/ E6 \mz = -7.7 x 1022 A m2, mx = -0.479 x 1022 A m2, my = 1.399 x 1022 A m2." v, a4 l. u  M2 s  a% U

* ~' G, {1 [  I% b) S7 F0 }Calculate 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).
( u" ?: N7 ]; g& Y
您需要登录后才可以回帖 登录 | 注册

本版积分规则

联系我们|小黑屋|手机版|Archiver|埃德蒙顿中文网

GMT-7, 2026-4-5 11:46 , Processed in 0.163690 second(s), 10 queries , Gzip On, APC On.

Powered by Discuz! X3.4

Copyright © 2001-2021, Tencent Cloud.

快速回复 返回顶部 返回列表