Influence of carrier phase errors to interferometer and the correcting method

Two ambiguity-resolving algorithms for interferometer are presented. Monte Carlo simulations under different error levels for same incidence angle and same error level for different incidence angles are performed for the two algorithms. The results indicate that, the second algorithm has better ambiguity-resolving performance. To deal with the ambiguity-resolving errors in the second algorithm, a correcting method is introduced, through which the ambiguity-resolving error can be recognized and corrected, and measurements within normal error range is recovered correctly, and the divergence of Kalman filter is avoided.