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DeanZhang
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指南针上的磁北和真北是如何实现的？

  •   
  •   DeanZhang · Sep 24, 2015 · 3609 views
    This topic created in 3909 days ago, the information mentioned may be changed or developed.

    RT

    很多指南针都有磁北和真北的选项，如何技术实现呢？

  • 磁北
  • 指南针
  • 真北
  • 选项
    2 replies
    yaoppp
        1
    yaoppp  
       Sep 24, 2015
    磁场的北极是直接测出来的，根据经纬度可以算出当前磁场北极和地理北极的夹角
    DeanZhang
        2
    DeanZhang  
    OP
       Sep 24, 2015
    灰常感谢！
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