精选优质文档-倾情为你奉上Title:CALIBRATING METHOD FOR ELECTRONIC COMPASSElectronic compass is an electronic compass by measuring the Earths magnetic field to achieve directional navigation device, it is an important navigational tool that can provide real-time data objects heading and attitude, and has a small size, low cost, fast response , no accumulated error, etc., are widely used in mobile robots, vehicles, aircraft and other orientation subsystem; However, due to the electronic compass is bas