Nonlinear attitude detection compensation method and terminal

The invention discloses a nonlinear attitude detection compensation method and a terminal. The method comprises the following steps: acquiring initial magnetic field data and temperature data detectedby a magnetometer; determining a corresponding magnetic field vector compensation value in a preset...

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Bibliographic Details
Main Authors ZHONG LIRONG, LIN JUNMING, LIN ZHILING
Format Patent
LanguageChinese
English
Published 19.03.2021
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:The invention discloses a nonlinear attitude detection compensation method and a terminal. The method comprises the following steps: acquiring initial magnetic field data and temperature data detectedby a magnetometer; determining a corresponding magnetic field vector compensation value in a preset magnetic field vector compensation table according to the temperature data, and compensating the initial magnetic field data by using the magnetic field vector compensation value to obtain first magnetic field data; acquiring preset calibration magnetic field data, and obtaining calculation magnetic field data according to the calibration magnetic field data and the first magnetic field data; and calculating the azimuth angle of the to-be-measured object according to the calculation magnetic field data. The detected magnetic field data is subjected to temperature compensation and calibration with the calibration magnetic field data, and then the azimuth angle is calculated according to themagnetic field data subjec
Bibliography:Application Number: CN202011266997