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Improvement in accuracy and reliability of received information about motion trajectory of aircrafts is necessary for reasoned decision making about test object characteristics and its onboard navigation systems work quality. The methods used for trajectory information processing have a number of disadvantages leading to processing accuracy loss due to the lack of consideration for joint implementation of special and temporal redundancy. In this work, the results are presented of operation quality testing of algorithm for adaptive nonlinear optimal smoothing, considering spatial and temporal redundancy of received measurement data, during radar control of aircraft on the typical flight path, along with obtained results comparison with output of algorithm for non-adaptive nonlinear optimal smoothing of multiple measurement data. Adaptive algorithm approbation was carried out by simulation method. It has been demonstrated that in terms of work quality the proposed adaptive algorithm, regardless of the number of points in the interval of locally sliding smoothing, for various degrees of the smoothing polynomial, is not inferior but even superior to the non-adaptive algorithm.
Igor L. Shcherbov
Donetsk National Technical University (Russia, 283001, Donetsk People's Republic, Donetsk, Artem st., 58)

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