Fig. 1. Schematic diagram of target guidance scenario

Fig. 2. Calculation process during coordinate conversion

Fig. 3. Schematic diagram of pitch zero error

Fig. 4. Schematic diagram of pitch zero calibration

Fig. 5. Schematic diagram of experimental device

Fig. 6. UAV's flight track around ATP

Fig. 7. Azimuth and pitch error curves of guidance data

Fig. 8. Azimuth and pitch angular speed curves of target