Decomposition method of covariance matrix for command and control system
A technology of covariance matrix and command system, applied in the field of data processing, can solve the problems of filter collapse, loss of observation information, non-positive definite covariance matrix, etc., to achieve the effect of improving robustness
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[0048] For a more explicit description of the present invention, the present invention is further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the drawings are represented by the same reference numerals. Those skilled in the art will appreciate that the content specifically described below is illustrative rather than restrictive, and should not limit the scope of protection of the present invention.
[0049] In the allegation system, it is necessary to accurately correlate the track information generated by multiple information source observations, and fuse to generate a comprehensive track to produce a unified air intelligence posture, of which the Kalman filter method is a common fusion method. Linear and nonlinear filtering methods such as KF (Kalman filtering) and EKF (extended Kalman filtering) and UKF (traceless Kalman filtering) have been widely used in various fields of engineering practice as a powerful tool for rea...
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