Fig. 1. Overall structure of active aiming target

Fig. 2. Working principle of active aiming target

Fig. 3. Angular error induced by target aiming error during active aiming

Fig. 4. Flowchart of adaptive gravity-reference-based complementary filtering attitude fusion algorithm

Fig. 5. Structure of three-layer feedforward neural network

Fig. 6. Calibration experiment of attitude measurement parameter matrix

Fig. 7. Relationship between neural network loss function and number of hidden layer nodes

Fig. 8. Attitude measurement result and residual error from calibration data

Fig. 9. Experimental validation of attitude accuracy

Fig. 10. Comparison of attitude measurement results