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Source parameter estimation is an appealing research topic over decades in the field of array signal processing. The estimation performance of multidimensional parameter directly influences the effect of subsequent procedures, such as signal detection and filtering. In this paper we give a brief review of direction of arrival (DOA) and polarization parameter estimation methods. Based on a sensor array...
Combining polarization filtering with the oblique projection, we address an oblique projection polarization filter (OPPF) which enables the extraction of the desired polarized waves while suppressing the unwanted polarized interference signals, based on estimating the polarized parameters subspaces of desired signals and interferences. The simulation results show that the OPPF is a valid means to...
Radio interference suppressing is a main problem to be solved in high frequency (HF) radar system. To effectively cancel the interference, the parameters of the polarization filter should timely adapt to the variation of the polarization of the interference, which may impact the amplitude and phase of the desired signal passing through the same polarization filter during the coherent integration time...
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