An Adaptive Compensation Method for Ensemble Kalman Filter Static Localization Scheme
A Kalman filter and adaptive compensation technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of time-consuming, and achieve the effect of improving assimilation accuracy and reducing strong dependence
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[0041] The present invention will be further described below in conjunction with the accompanying drawings.
[0042] The invention provides an adaptive compensation mechanism for the static localization scheme of the ensemble Kalman filter. Including preprocessing the measured data of the atmospheric and oceanic environment; according to the real-time observation system, using the observation error, observation number and significance level of different observation elements to calculate the subsequent threshold to be used; using the ensemble Kalman filter method to sequentially assimilate all Observations; compute posterior ensemble mean and ensemble perturbation for ensemble Kalman filtering; calculate observation margin and update ensemble membership. The invention improves the static localization method in the ensemble Kalman filter, effectively extracts the multi-scale information that cannot be extracted by the static localization method in the observation information, an...
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