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Stability Evaluation Algorithm of Filtering Algorithm in Navigation Information Processing

To better evaluate the stability of filtering algorithm, the stability evaluation index filtering algorithm is proposed based on the analysis of the factors affecting factors. Then the index system of stability evaluation is constructed with its mathematical model established. Taking the application of Kalman filtering used in initial alignment in integrate INS/GPS navigation system as an example, stability of Kalman filtering is evaluated according to the index system. Simulation results show that the stability evaluation results are in consistent with the theoretical analysis.