# An analytic solution to Wahbaʼs problem

@article{Yang2013AnAS, title={An analytic solution to Wahbaʼs problem}, author={Yaguang Yang and Z. Zhou}, journal={Aerospace Science and Technology}, year={2013}, volume={30}, pages={46-49} }

All spacecraft attitude estimation methods are based on Wahbaʼs optimization problem. This problem can be reduced to finding the largest eigenvalue and the corresponding eigenvector for Davenportʼs K-matrix. Several iterative algorithms, such as QUEST and FOMA, were proposed, aiming at reducing the computational cost. But their computational time is unpredictable because the iteration number is not fixed and the solution is not accurate in theory. Recently, an analytical solution, ESOQ was… CONTINUE READING

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