Home Sign Up Sign In
DeanZhang
V2EX  ›  问与答

指南针上的磁北和真北是如何实现的？

  •   
  •   DeanZhang · Sep 24, 2015 · 3906 views
    This topic created in 4063 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
    yaoppp
    Sep 24, 2015
    1
    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
    DeanZhang
    OP
    Sep 24, 2015
    2
    灰常感谢！
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Privacy   ·   Solana   ·   670 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 24ms · UTC 18:15 · PVG 02:15 · LAX 10:15 · JFK 13:15
    ♥ Do have faith in what you're doing.