Deep clustering based polar coordinate dynamic programming passive coherent location method
A dynamic programming algorithm and dynamic programming technology, applied in the directions of positioning, radio wave measurement systems, measurement devices, etc., can solve the problems of long algorithm time and high algorithm complexity, and achieve improved running time, low algorithm complexity, and improved target tracking. performance effect
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[0041] The present invention is further analyzed below in conjunction with specific examples.
[0042] The basic idea of the PCL positioning algorithm based on DC-DP-SA is: for the measurement data in polar coordinates, the evaluation function is constructed through the DC-DP-TBD algorithm, and the amplitude accumulation and track backtracking are performed on the evaluation function. Theory (Error Propagation, EP) creates a new space transfer expansion and contraction amount, thereby optimizing the effective state transfer range of DP-TBD in the nonlinear measurement space, and at the same time determining the backtracking threshold of DP-TBD in the extreme value theory (Extreme Value Theory, EVT) Add an anti-interference factor to optimize the stability of the threshold. Then use the SA method to incorporate the state of the radiation source into the target state, and use the extended Kalman filter algorithm based on the correlation prediction to prevent errors to perform ...
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