A Modified Generalized Least Square Registration Algorithm on WGS-84 Coordinate

Abstract

Abstract: Abstract： Aimed at the low convergence rate and unstable convergence performance of the generalized least squares algorithm on WGS84 coordinate, a modified generalized least square algorithm was proposed which took convergence steps as the weighting factor for measurement accuracy of the generalized least squares algorithm, making measurement accuracy vary with the changes of steps in order to achieve the decrease of the convergence steps and the advance of the stability after convergence. So this algorithm improves the performance of target tracking and positioning. Simulation results show that the modified generalized least square algorithm is superior to the generalized least square algorithm, verifying the feasibility of the proposed algorithm.

Key words: Key words： generalized least squares algorithm, coordinate registration, target tracking, measurement accuracy

CLC Number:

TN 953

LI Jiaqiang1a,2,ZHAO Chunyan1b,2,CHEN Jinli1a,1b,ZHAO Ronghua1b,2. A Modified Generalized Least Square Registration Algorithm on WGS-84 Coordinate[J]. Journal of Shanghai Jiaotong University, 2016, 50(05): 771-775.

References

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