Improved particle filter-based inclined detection ionized layer MUF short-term forecasting method
A technology of particle filtering and short-term forecasting, which is applied in complex mathematical operations, design optimization/simulation, etc., can solve the problems of particle filter algorithm particle degradation and insufficient diversity, low technical efficiency, low forecasting accuracy, etc., to overcome particle degradation and Insufficient diversity, strong communication connectivity, and the effect of reducing the amount of calculation
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[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0047] The present invention proposes a method for short-term forecasting of ionospheric MUF with tilt detection based on improved particle filter, such as figure 1 , on the basis of the existing particle filter, the following steps are improved:
[0048] Initialize the system, so that the number of cycles k=1;
[0049] Using the unscented Kalman filter algorithm for importance sampling, we get and P k ;
[0050] Extract particle set Perform weight upda...
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