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  Key Points Product: Error Compensation Method for Electronic Compass Features: Compensates for magnetic interference (hard and soft iron) Uses least squares method for error correction Eight-position measurement for accurate calibration Advantages: High accuracy in heading measurement Suit...

  Key PointsProduct: Error Compensation Method for Electronic Compass Features: Compensates for magnetic interference (hard and soft iron) Utilizes the least squares method for error correction Employs an eight-position measurement technique for precise calibration Advantages: High accuracy...

Key Points   Product: Electronic Compass (C9000-B and other variants)Features:• Utilizes three-dimensional magneto-resistive sensors for geomagnetic field measurement• Incorporates an accelerometer for static stability and inclination compensation• Uses Kalman filtering algorithm...

Key PointsProduct: Dual Magnetic Sensor Compensation for Electronic CompassFeatures:• Compensates for variable magnetic field interference• Uses dual magnetic sensors for simple, cost-effective calibrationAdvantages:• High fault tolerance and low data collection effort• Suitable...

Key Points Product: Electronic Compass Principle of Calibration: - Magnetic field ellipse fitting: Collect magnetic field data in all directions while rotating the device, calculate hard iron interference and soft iron interference parameters, and apply compensation to fit the magnetic field data in...