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 · 3603 views
    This topic created in 3904 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！
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Solana   ·   988 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 32ms · UTC 19:48 · PVG 03:48 · LAX 12:48 · JFK 15:48
    ♥ Do have faith in what you're doing.