Fig. 1. Demodulation principle Diagram of Tracking RDC

Fig. 2. Principle block diagram of correcting amplitude error

Fig. 3. Principle block diagram of correcting quadrature error

Fig. 4. Block diagram of servo control system using resolver

Fig. 5. Simulation of CMG gimble speed without calibration

Fig. 6. Simulation of CMG gimble speed after correcting amplitude error

Fig. 7. Simulation of CMG gimble speed after correcting quadrature error

Fig. 8. Spectrum curve of measured speed of CMG gimble without calibration

Fig. 9. diagram of resolver error corrector

Fig. 10. Spectrum curve of measured speed of CMG gimble after correcting amplitude error

Fig. 11. Spectrum curve of CMG gimble’s measured speed after correcting quadrature error

Fig. 12. Comparison of measured speed before and after correcting Second harmonic error