Attitude and Heading Reference Systems (AHRS) covers the design, manufacture, and integration of solid-state inertial sensor assemblies that determine aircraft attitude, heading, and yaw rate, incorporating micro-electromechanical systems (MEMS) gyroscopes and accelerometers, magnetometers, and digital signal processing to replace traditional gyroscopic instruments with strap-down sensor fusion algorithms outputting orientation data to flight displays and autopilot systems.
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