METHOD AND SYSTEM OF 2-AXIS COMPASS CALIBRATION CONSIDERING MAGNETIC ENVIRONMENT AND METHOD AND SYSTEM OF MEASURING AZIMUTH USING IT

摘要

One compass sensor calibration method and device, it is identical to be arranged to find that calibrating quality and surrounding magnetic field are interfered by using a calibrating quality degree and a distortion factor in view of magnetic environment and an azimuth measuring method and device application. One compass sensor calibration method considers that magnetic environment includes the following steps:: magnetic data is obtained by the compass detector formed by one or two axis magnetic force rice, when turning compass detector by 360 degree (S100); One shape is installed, is generated by the data of the acquisition of an elliptic function (S120); The data obtained and suitable elliptic function are converted into one ring-like (S130); A distortion factor is calculated, one magnetic field of degree of a distortion is indicated, by using an included angle of the main shaft of elliptic function or the data of the acquisition relative to a horizontal axis (S150).